Nouns denoting man-made objects

.22
a .22 caliber firearm (pistol or rifle)
 
3d radar
radar that will report altitude as well as azimuth and distance of a target
 
3TC
a nucleoside reverse transcriptase inhibitor that is very effective in combination with zidovudine in treating AIDS and HIV
 
4WD
a transmission that provides power directly to all four wheels of a motor vehicle
 
4WD
a motor vehicle with a four-wheel drive transmission system
 
78
a shellac based phonograph record that played at 78 revolutions per minute
 
A battery
the battery used to heat the filaments of a vacuum tube
 
A-bomb
a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
 
A-line
women's clothing that has a fitted top and a flared skirt that is widest at the hemline
 
A/C
an appliance designed to extract humidity from the air and thereby cool it
 
aba
a fabric woven from goat hair and camel hair
 
aba
a loose sleeveless outer garment made from aba cloth; worn by Arabs
 
abacus
a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves
 
abacus
a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
 
abandoned ship
a ship abandoned on the high seas
 
abatis
a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy
 
abattoir
a building where animals are butchered
 
abaya
(Arabic) a loose black robe from head to toe; traditionally worn by Muslim women
 
Abbe condenser
a condenser having 2 or 3 lenses with wide aperture for use in microscopes
 
abbey
a monastery ruled by an abbot
 
abbey
a convent ruled by an abbess
 
abbey
a church associated with a monastery or convent
 
ABM
a defensive missile designed to shoot down incoming intercontinental ballistic missiles
 
Abney level
a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target
 
abode
housing that someone is living in
 
aborticide
a drug (or other chemical agent) that causes abortion
 
abradant
a tool or machine used for wearing down or smoothing or polishing
 
abrading stone
a primitive stone artifact (usually made of sandstone) used as an abrader
 
abstract art
an abstract genre of art; artistic content depends on internal form rather than pictorial representation
 
Abstract Expressionism
a New York school of painting characterized by freely created abstractions; the first important school of American painting to develop independently of European styles
 
abstraction
an abstract painting
 
abutment
a masonry support that touches and directly receives thrust or pressure of an arch or bridge
 
abutment arch
an arch supported by an abutment
 
academic costume
a costume worn on formal occasions by the faculty or students of a university or college
 
academic gown
a gown worn by academics or judges
 
academy
a learned establishment for the advancement of knowledge
 
accelerator
a pedal that controls the throttle valve
 
accelerator
a scientific instrument that increases the kinetic energy of charged particles
 
accelerator
a valve that regulates the supply of fuel to the engine
 
accelerometer
an instrument for measuring the acceleration of aircraft or rockets
 
access road
a short road giving access to an expressway
 
access
a way of entering or leaving
 
access
(computer science) the operation of reading or writing stored information
 
accessory
clothing that is worn or carried, but not part of your main clothing
 
accessory
a supplementary component that improves capability
 
accommodating IOL
a lens implant containing a hinge that allows for both near and far vision (thus mimicking the natural lens of a young person)
 
accommodation
living quarters provided for public convenience
 
accommodation ladder
(nautical) a portable ladder hung over the side of a vessel to give access to small boats alongside
 
accordion door
an interior door that opens by folding back in sections (rather than by swinging on hinges)
 
accordion
a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
 
accumulator
(computer science) a register that has a built-in adder that adds an input number to the contents of the register
 
accumulator
a voltaic battery that stores electric charge
 
ace
one of four playing cards in a deck having a single pip on its face
 
ACE inhibitor
an antihypertensive drug that blocks the formation of angiotensin II in the kidney, leading to relaxation of the arteries; promotes the excretion of salt and water by inhibiting the activity of the angiotensin converting enzyme; also used to treat congestive heart failure
 
ace of clubs
the ace in the club suit
 
ace of diamonds
the ace in the diamond suit
 
ace of hearts
the ace in the heart suit
 
ace of spades
the ace in the spade suit; sometimes taken as a portent of death
 
acetanilid
a white crystalline compound used as an analgesic and also as an antipyretic
 
acetate disk
a disk coated with cellulose acetate
 
acetate
a fabric made from fibers of cellulose acetate
 
acetophenetidin
a white crystalline compound used as an analgesic and also as an antipyretic
 
achromatic lens
a compound lens system that forms an image free from chromatic aberration
 
Achromycin
an antibiotic (trade name Achromycin) derived from microorganisms of the genus Streptomyces and used broadly to treat infections
 
ack-ack
artillery designed to shoot upward at airplanes
 
acorn tube
a small vacuum tube; used at high frequencies
 
acoustic
a remedy for hearing loss or deafness
 
acoustic delay line
a delay line based on the time of propagation of sound waves
 
acoustic device
a device for amplifying or transmitting sound
 
acoustic gramophone
an antique record player; the sound of the vibrating needle is amplified acoustically
 
acoustic guitar
sound is not amplified by electrical means
 
acoustic modem
a modem that converts electrical signals to telephone tones and back again
 
acoustic storage
a storage device consisting of acoustic delay lines
 
Acrilan
acrylic resin used to make a strong soft crease-resistant fabric (trade name Acrilan)
 
acropolis
the citadel in ancient Greek towns
 
acrylic
a synthetic fabric
 
acrylic
used especially by artists
 
Actifed
trade name for a drug containing an antihistamine and a decongestant; used to treat upper respiratory conditions and minor allergies
 
actinometer
an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
 
actinomycin
any of various red antibiotics isolated from soil bacteria
 
action
the operating part that transmits power to a mechanism
 
Activase
a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction
 
active matrix screen
a type of LCD screen used for some portable computers; there is a separate circuit for each pixel
 
active placebo
a placebo used in experimental tests of a drug that has noticeable side effects
 
activewear
attire worn for sport or for casual wear
 
actuator
a mechanism that puts something into automatic action
 
Adam
street names for methylenedioxymethamphetamine
 
adapter
device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
 
add-in
a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities
 
adder
a machine that adds numbers
 
adding machine
a calculator that performs simple arithmetic functions
 
addition
a component that is added to something to improve it
 
additive
something added to enhance food or gasoline or paint or medicine
 
Addressograph
a printer that automatically prints addresses on letters for mailing
 
adhesive bandage
bandage consisting of a medical dressing of plain absorbent gauze held in place by a plastic or fabric tape coated with adhesive
 
adhesive plaster
adhesive tape used in dressing wounds
 
adhesive tape
tape coated with adhesive
 
adit
a nearly horizontal passage from the surface into a mine
 
adjoining room
a hotel room that shares a wall with another hotel room
 
adjustable spanner
can be changed to different settings
 
adjuvant
an additive that enhances the effectiveness of medical treatment
 
admixture
an additional ingredient that is added by mixing with the base
 
adobe house
a house built of sod or adobe laid in horizontal courses
 
adobe
sun-dried brick; used in hot dry climates
 
adornment
a decoration of color or interest that is added to relieve plainness
 
ADP system
a system of one or more computers and associated software with common storage
 
adrenergic
drug that has the effects of epinephrine
 
adumbration
a sketchy or imperfect or faint representation
 
adz
an edge tool used to cut and shape wood
 
aegis
armor plate that protects the chest; the front part of a cuirass
 
aeolian harp
a harp having strings tuned in unison; they sound when wind passes over them
 
aerator
an apparatus for exposing something to the air (as sewage)
 
aerial ladder
mechanically extendible ladder; used on a fire truck
 
aerial ladder truck
a fire engine carrying ladders
 
aerial torpedo
a torpedo designed to be launched from an airplane
 
aerial tramway
a conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers
 
aerial
an electrical device that sends or receives radio or television signals
 
aerodrome
an airfield equipped with control tower and hangars as well as accommodations for passengers and cargo
 
aerofoil
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
 
aerogenerator
generator that extracts usable energy from winds
 
aeroplane
an aircraft that has a fixed wing and is powered by propellers or jets
 
aerosol bomb
a bomb that uses a fuel-air explosive
 
aerosol
a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
 
Aertex
a trademark for a loosely woven cotton fabric that is used to make shirts and underwear
 
afghan
a blanket knitted or crocheted in strips or squares; sometimes used as a shawl
 
afghan
a coat made of sheepskin
 
Aflaxen
a nonsteroidal anti-inflammatory drug (trademarks Aleve and Anaprox and Aflaxen) that fights pain and inflammation
 
Afro-wig
a wig that gives the appearance of an Afro hairdo
 
after part
the rear part of a ship
 
after-shave
a fragrant lotion for a man's face after shaving
 
afterburner
a device that injects fuel into a hot exhaust for extra thrust
 
afterdeck
a deck abaft of midships
 
afterthought
an addition that was not included in the original plan
 
agal
a cord (usually of goat's hair) that Arabs (especially Bedouins) wind around their heads to hold down the kaffiyeh
 
agateware
pottery that is veined and mottled to resemble agate
 
agglomerator
a device that causes material to gather into rounded balls
 
aggregate
the whole amount
 
aglet
metal or plastic sheath over the end of a shoelace or ribbon
 
aglet
ornamental tagged cord or braid on the shoulder of a uniform
 
agonist
(biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
 
agora
a place of assembly for the people in ancient Greece
 
aid station
(military) a station located near a combat area for giving first aid to the wounded
 
aigret
a long plume (especially one of egret feathers) worn on a hat or a piece of jewelry in the shape of a plume
 
aileron
an airfoil that controls lateral motion
 
air bag
a safety restraint in an automobile; the bag inflates on collision and prevents the driver or passenger from being thrown forward
 
air base
a base for military aircraft
 
air cleaner
a filter that removes dust from the air that passes through it
 
air compressor
a compressor that takes in air at atmospheric pressure and delivers it at a higher pressure
 
air conditioner
a system that keeps air cool and dry
 
air cushion
a mechanical device using confined air to absorb the shock of motion
 
air cushion
a cushion usually made of rubber or plastic that can be inflated
 
air duct
a duct that provides ventilation (as in mines)
 
Air Force Research Laboratory
a United States Air Force defense laboratory responsible for discovering and developing and integrating fighting technologies for aerospace forces
 
air gun
a gun that propels a projectile by compressed air
 
air hammer
a hammer driven by compressed air
 
air hole
a hole that allows the passage of air
 
air horn
air intake of a carburetor
 
air horn
a pneumatic horn
 
air hose
a hose that carries air under pressure
 
air lock
a chamber that provides access to space where air is under pressure
 
air mattress
a mattress that can be stored flat and inflated for use
 
air pump
a pump that moves air in or out of something
 
air search radar
a shipboard radar that searches for aircraft
 
air shaft
a shaft for ventilation
 
air terminal
a terminal that serves air travelers or air freight
 
air thermometer
thermometer that measures temperature by changes in the pressure of a gas kept at constant volume
 
air transportation system
a transportation system for moving passengers or goods by air
 
air-intake
a duct that admits air to be mixed with fuel
 
air-raid shelter
a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids
 
air-to-air missile
a missile designed to be launched from one airplane at another
 
air-to-ground missile
a missile designed to be launched from an airplane at a target on the ground
 
airbrake
a vehicular brake that operates by compressed air; especially for heavy vehicles
 
airbrake
a small parachute or articulated flap to reduce the speed of an aircraft
 
airbrush
an atomizer to spray paint by means of compressed air
 
airbus
a subsonic jet airliner operated over short distances
 
aircraft
a vehicle that can fly
 
aircraft carrier
a large warship that carries planes and has a long flat deck for takeoffs and landings
 
aircraft engine
the engine that powers and aircraft
 
airdock
a large structure at an airport where aircraft can be stored and maintained
 
airfield
a place where planes take off and land
 
airframe
the framework and covering of an airplane or rocket (excluding the engines)
 
airing cupboard
a warm cupboard where you put newly washed clothes until they are completely dry
 
airline
a commercial enterprise that provides scheduled flights for passengers
 
airliner
a commercial airplane that carries passengers
 
airmailer
a mailer for airmail
 
airplane propeller
a propeller that rotates to push against air
 
airship
a steerable self-propelled aircraft
 
airstrip
an airfield without normal airport facilities
 
aisle
part of a church divided laterally from the nave proper by rows of pillars or columns
 
aisle
a long narrow passage (as in a cave or woods)
 
aisle
passageway between seating areas as in an auditorium or passenger vehicle or between areas of shelves of goods as in stores
 
Aladdin's lamp
(Arabian Nights) a magical lamp from which Aladdin summoned a genie
 
alarm
a clock that wakes a sleeper at some preset time
 
alarm
a device that signals the occurrence of some undesirable event
 
alb
a white linen liturgical vestment with sleeves; worn by priests
 
album
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
 
alcazar
any of various Spanish fortresses or palaces built by the Moors
 
alcohol thermometer
thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature
 
alcove
a small recess opening off a larger room
 
Aldomet
antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure
 
alehouse
a tavern where ale is sold
 
alembic
an obsolete kind of container used for distillation; two retorts connected by a tube
 
algometer
device for measuring pain caused by pressure
 
Alhambra
a fortified Moorish palace built near Granada by Muslim kings in the Middle Ages
 
alidad
surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
 
alidad
surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
 
Alkeran
antineoplastic drug (trade name Alkeran) used to treat multiple myeloma and some other malignancies
 
alkylating agent
an antineoplastic drug used to treat some forms of cancer
 
all-terrain bike
a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
 
Allen screw
a screw with a hexagonal hole in the head
 
Allen wrench
a wrench for Allen screws
 
alleviant
remedy that alleviates pain without curing
 
alley
a narrow street with walls on both sides
 
alley
a lane down which a bowling ball is rolled toward pins
 
alligator clip
a clip with a spring that closes the metal jaws
 
alligator wrench
a wrench with a v-shaped jaw and serrations on one side (resembles the open jaws of an alligator)
 
alms box
box for collecting alms, especially one in a church
 
alms dish
a tray for collecting the offering from a congregation
 
aloes
a purgative made from the leaves of aloe
 
alpaca
a thin glossy fabric made of the wool of the Lama pacos, or made of a rayon or cotton imitation of that wool
 
alpenstock
a stout staff with a metal point; used by mountain climbers
 
alpha blocker
any of various drugs that block alpha-adrenergic receptors; used in treating benign prostatic hyperplasia; relaxes the muscles of the prostate and bladder
 
alpha-interferon
a form of interferon that is produced endogenously and commercially for its pharmacological effects (including regulation of the immune system and antiviral and antineoplastic effects)
 
alphanumeric display
a display that gives the information in the form of characters (numbers or letters)
 
Alpine lift
a surface lift where riders hold a bar and are pulled up the hill on their skis
 
Altace
an ACE inhibitor (trade name Altace) used to treat high blood pressure or in some patients who have had a heart attack
 
altar
a raised structure on which gifts or sacrifices to a god are made
 
altarpiece
a painted or carved screen placed above and behind an altar or communion table
 
altazimuth
an instrument that measures the altitude and azimuth of celestial bodies; used in navigation
 
alternator
an old term for an electric generator that produces alternating current (especially in automobiles)
 
altimeter
an instrument that measures the height above ground; used in navigation
 
alto relievo
a sculptural relief in which forms extend out from the background to at least half their depth
 
alum
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
 
aluminium foil
foil made of aluminum
 
Alupent
a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness
 
Amati
a violin made by Nicolo Amati or a member of his family
 
ambo
a platform raised above the surrounding level to give prominence to the person on it
 
ambulance
a vehicle that takes people to and from hospitals
 
ambulatory
a covered walkway (as in a cloister)
 
amen corner
area reserved for persons leading the responsive `amens'
 
American organ
a free-reed instrument in which air is drawn in through reeds by suction bellows
 
American Stock Exchange
a stock exchange in New York
 
Americana
any artifact (such as books or furniture or art) that is distinctive of America
 
amethopterin
toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
 
amidopyrine
a white crystalline substance used as an analgesic and antipyretic
 
aminophylline
a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis
 
ammeter
a meter that measures the flow of electrical current in amperes
 
ammo
projectiles to be fired from a gun
 
ammonia clock
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
 
ammunition chest
a chest to hold ammunition
 
amobarbital
a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant
 
amphetamine sulfate
a sulfate derivative of amphetamine that is used as a stimulant for the central nervous system
 
amphetamine
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
 
amphibian
an airplane designed to take off and land on water
 
amphibian
a flat-bottomed motor vehicle that can travel on land or water
 
amphitheater
a sloping gallery with seats for spectators (as in an operating room or theater)
 
amphitheater
an oval large stadium with tiers of seats; an arena in which contests and spectacles are held
 
Amphitheatrum Flavium
a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80
 
amphora
an ancient jar with two handles and a narrow neck; used to hold oil or wine
 
amphotericin
an antibiotic and antifungal agent
 
amplifier
electronic equipment that increases strength of signals passing through it
 
ampoule
a small bottle that contains a drug (especially a sealed sterile container for injection by needle)
 
ampulla
a flask that has two handles; used by Romans for wines or oils
 
amulet
a trinket or piece of jewelry usually hung about the neck and thought to be a magical protection against evil or disease
 
amusement arcade
an arcade featuring coin-operated game machines
 
amyl nitrate
a vasodilator that is sometimes used to treat angina pectoris
 
Amytal
the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
 
anachronism
an artifact that belongs to another time
 
Anacin III
an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)
 
anaesthetic
a drug that causes temporary loss of bodily sensations
 
anaglyph
anything carved in low relief
 
anaglyph
moving or still pictures in contrasting colors that appear three-dimensional when superimposed
 
analeptic
a medication used as a stimulant to the central nervous system
 
analgesic
a medicine used to relieve pain
 
analog clock
a clock that displays the time of day by the position of hands on a dial
 
analog computer
a computer that represents information by variable quantities (e.g., positions or voltages)
 
analog watch
a watch that represents time by the position of hands on a dial
 
analog-digital converter
device for converting analogue signals into digital signals
 
analyser
an instrument that performs analyses
 
analytical balance
a beam balance of great precision used in quantitative chemical analysis
 
anamorphism
a distorted projection or perspective; especially an image distorted in such a way that it becomes visible only when viewed in a special manner
 
anastigmat
compound lens or lens system designed to be free of astigmatism and able to form approximately point images
 
anastigmatic lens
a lens designed to correct astigmatism
 
anchor chain
the chain or rope that attaches an anchor to a vessel
 
anchor light
a light in the rigging of a ship that is riding at anchor
 
anchor
a mechanical device that prevents a vessel from moving
 
AND circuit
a circuit in a computer that fires only when all of its inputs fire
 
andiron
metal supports for logs in a fireplace
 
android
an automaton that resembles a human being
 
anechoic chamber
a chamber having very little reverberation
 
anemometer
a gauge for recording the speed and direction of wind
 
aneroid
a barometer that measures pressure without using fluids
 
anesthyl
a mixture of methyl and ethyl chloride; sprayed on as a local anesthetic
 
angiocardiogram
a series of X rays representing the action of the heart and its blood vessels after the injection of a radiopaque substance
 
angiogenesis inhibitor
a drug that is designed to prevent the growth of blood vessels that nourish tumors
 
angiogram
an X-ray representation of blood vessels made after the injection of a radiopaque substance
 
angioscope
a modified microscope used to study capillary vessels
 
angiotensin I
a physiologically inactive form of angiotensin that is the precursor to angiotensin II
 
angiotensin II
a potent vasopressor agent formed from angiotensin I
 
angiotensin II inhibitor
an agent that retards or restrains the action of angiotensin II
 
angle bracket
an L-shaped metal bracket
 
angledozer
a bulldozer with an angled moldboard to push earth to one side
 
Anglo-German concertina
a concertina with bellows and buttons on both ends
 
Angostura Bridge
a suspension bridge across the Orinoco River at Ciudad Bolivar
 
animalization
a depiction in the form of an animal
 
ankle brace
a brace worn to strengthen the ankle
 
ankle bracelet
an ornament worn around the ankle
 
anklet
a shoe for a child or woman that has a strap around the ankle
 
anklet
a sock that reaches just above the ankle
 
ankus
an elephant goad with a sharp spike and a hook
 
annex
an addition that extends a main building
 
annulet
(heraldry) a charge in the shape of a small ring
 
annulet
molding in the form of a ring; at top of a column
 
annunciator
an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
 
anode
a positively charged electrode by which electrons leave an electrical device
 
anode
the negatively charged terminal of a voltaic cell or storage battery that supplies current
 
anorak
a kind of heavy jacket (`windcheater' is a British term)
 
anovulant
a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception
 
Ansaid
a nonsteroidal anti-inflammatory drug (trade name Ansaid) that is administered only orally
 
answering machine
an electronic device that answers the telephone and records messages
 
Antabuse
a drug (trade name Antabuse) used in the treatment of alcoholism; causes nausea and vomiting if alcohol is ingested
 
antagonist
a drug that neutralizes or counteracts the effects of another drug
 
antechamber
a large entrance or reception room or area
 
antefix
carved ornament at the eaves of a tile roof concealing the joints between tiles
 
anthelminthic
a medication capable of causing the evacuation of parasitic intestinal worms
 
anti-G suit
pressure suit worn by fliers and astronauts to counteract the forces of gravity and acceleration
 
anti-impotence drug
drug to treat impotence attributable to erectile dysfunction
 
anti-inflammatory
a medicine intended to reduce inflammation
 
anti-submarine rocket
a shipboard system to fire rockets at submarines
 
anti-sway bar
a rigid metal bar between the front suspensions and between the rear suspensions of cars and trucks; serves to stabilize the chassis
 
anti-TNF compound
a class of drugs that block the action of tumor necrosis factor (TNF); used in cases of rheumatoid arthritis because TNF instigates inflammation of the joints
 
anti-torque rotor
rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
 
antianxiety agent
a drug used to reduce stress or tension without reducing mental clarity
 
antianxiety drug
a tranquilizer used to relieve anxiety and reduce tension and irritability
 
antiarrhythmic
a drug used to treat an abnormal heart rhythm
 
antibacterial
any drug that destroys bacteria or inhibits their growth
 
antibiotic
a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections
 
anticholinergic
a substance that opposes or blocks the action of acetylcholine
 
anticholinesterase
a medicine that inhibits cholinesterase by combining with it and so has a cholinergic effect
 
anticoagulant
medicine that prevents or retards the clotting of blood
 
anticonvulsant
a drug used to treat or prevent convulsions (as in epilepsy)
 
antidepressant
any of a class of drugs used to treat depression; often have undesirable side effects
 
antidiabetic
a drug used to treat diabetes mellitus
 
antidiarrheal
a drug used to control or stop diarrhea
 
antidiuretic
a drug that limits the formation of urine
 
antidote
a remedy that stops or controls the effects of a poison
 
antiemetic
a drug that prevents or alleviates nausea and vomiting
 
antiflatulent
any agent that reduces intestinal gas
 
antifouling paint
a paint used to protect against the accumulation of barnacles etc. on underwater surfaces
 
antifungal
any agent that destroys or prevents the growth of fungi
 
antihistamine
a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
 
antihypertensive
a drug that reduces high blood pressure
 
antimacassar
a piece of ornamented cloth that protects the back of a chair from hair oils
 
antimalarial
a medicinal drug used to prevent or treat malaria
 
antimetabolite
an antineoplastic drug that inhibits the utilization of a metabolite
 
antimicrobial
an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease
 
antimycin
a crystalline antibiotic active against various fungi
 
antineoplastic antibiotic
an antibiotic drug used as an antineoplastic in chemotherapy
 
antineoplastic
any of several drugs that control or kill neoplastic cells; used in chemotherapy to kill cancer cells; all have unpleasant side effects that may include nausea and vomiting and hair loss and suppression of bone marrow function
 
antipersonnel bomb
a bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragments; most effective against troops and vehicles
 
antiperspirant
an astringent substance applied to the skin to reduce perspiration
 
antiprotozoal
a medicinal drug used to fight diseases (like malaria) that are caused by protozoa
 
antipruritic
a substance that relieves or prevents itching
 
antipsychotic
tranquilizer used to treat psychotic conditions when a calming effect is desired
 
antipyretic
any medicine that lowers body temperature to prevent or alleviate fever
 
antique
any piece of furniture or decorative object or the like produced in a former period and valuable because of its beauty or rarity
 
antiquity
an artifact surviving from the past
 
antiseptic
a substance that destroys micro-organisms that carry disease without harming body tissues
 
antispasmodic
a drug used to relieve or prevent spasms (especially of the smooth muscles)
 
antisyphilitic
a drug (or other chemical agent) that is effective against syphilis
 
antitussive
any medicine used to suppress or relieve coughing
 
Antivert
an antihistamine (trade name Antivert) used to treat or prevent motion sickness
 
antiviral
any drug that destroys viruses
 
Antonine Wall
a fortification 37 miles long across the narrowest part of southern Scotland (between the Firth of Forth and the Firth of Clyde); built in 140 to mark the frontier of the Roman province of Britain
 
anvil
a heavy block of iron or steel on which hot metals are shaped by hammering
 
ao dai
the traditional dress of Vietnamese women consisting of a tunic with long sleeves and panels front and back; the tunic is worn over trousers
 
apadana
the great hall in ancient Persian palaces
 
apartment building
a building that is divided into apartments
 
apartment
a suite of rooms usually on one floor of an apartment house
 
APC
a drug combination found in some over-the-counter headache remedies (aspirin and phenacetin and caffeine)
 
APC
(military) an armored vehicle (usually equipped with caterpillar treads) that is used to transport infantry
 
aperient
a purging medicine; stimulates evacuation of the bowels
 
aperture
an man-made opening; usually small
 
aperture
a device that controls amount of light admitted
 
aphrodisiac
a drug or other agent that stimulates sexual desire
 
apiary
a shed containing a number of beehives
 
apishamore
a saddle blanket made of buffalo hide
 
apomorphine
a morphine derivative that is not as strong as morphine; used as an emetic and in small doses as a sedative
 
apothecary's shop
a retail shop where medicine and other articles are sold
 
apparatus
equipment designed to serve a specific function
 
apparel
clothing in general
 
appendage
a part that is joined to something larger
 
appendicle
a small appendage
 
appetite suppressant
a drug that suppresses appetite
 
Appian Way
an ancient Roman road in Italy extending south from Rome to Brindisi; begun in 312 BC
 
apple of discord
(classical mythology) a golden apple thrown into a banquet of the gods by Eris (goddess of discord--who had not been invited); the apple had `for the fairest' written on it and Hera and Athena and Aphrodite all claimed it; when Paris (prince of Troy) awarded it to Aphrodite it began a chain of events that led to the Trojan War
 
apple orchard
a grove of apple trees
 
applecart
a handcart from which apples and other fruit are sold in the street
 
appliance
durable goods for home or office use
 
appliance
a device or control that is very useful for a particular job
 
application
liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
 
applicator
a device for applying a substance
 
applique
a decorative design made of one material sewn over another
 
appointment
(usually in the plural) furnishings and equipment (especially for a ship or hotel)
 
approach trench
a trench that provides protected passage between the rear and front lines of a defensive position
 
appurtenance
equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
 
Apresoline
an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
 
apron
a garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing
 
apron
a paved surface where aircraft stand while not being used
 
apron string
(usually used in the plural) a cord used to tie an apron at the waist
 
apron
the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain)
 
apse
a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar
 
Aqua-Lung
a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus
 
aquaplane
a board that is pulled by a speedboat as a person stands on it and skims over the top of the water
 
aquarium
a tank or pool or bowl filled with water for keeping live fish and underwater animals
 
aquatint
an etching made by a process that makes it resemble a water color
 
aqueduct
a conduit that resembles a bridge but carries water over a valley
 
arabesque
an ornament that interlaces simulated foliage in an intricate design
 
Arabian tea
the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant
 
Arava
an anti-TNF compound (trade name Arava) that is given orally; can slow the progression of rheumatoid arthritis by slowing the proliferation of white blood cells which reduces inflammation in the synovium
 
arbalest
an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
 
arbor
a framework that supports climbing plants
 
arbor
any of various rotating shafts that serve as axes for larger rotating parts
 
arboretum
a facility where trees and shrubs are cultivated for exhibition
 
arc lamp
a lamp that produces light when electric current flows across the gap between two electrodes
 
arc-boutant
a buttress that stands apart from the main structure and connected to it by an arch
 
arcade
a covered passageway with shops and stalls on either side
 
arcade
a structure composed of a series of arches supported by columns
 
arch
(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
 
arch support
a support for the arch of the foot
 
arch
a passageway under a curved masonry construction
 
architectural ornament
(architecture) something added to a building to improve its appearance
 
architectural plan
scale drawing of a structure
 
architecture
an architectural product or work
 
architrave
the lowest part of an entablature; rests immediately on the capitals of the columns
 
architrave
the molding around a door or window
 
archive
a depository containing historical records and documents
 
arctic
a waterproof overshoe that protects shoes from water or snow
 
area
a part of a structure having some specific characteristic or function
 
areaway
a passageway between buildings or giving access to a basement
 
arena theater
a theater arranged with seats around at least three sides of the stage
 
arena
a large structure for open-air sports or entertainments
 
arena
a playing field where sports events take place
 
argyle
a sock knitted or woven with an argyle design (usually used in the plural)
 
argyle
a design consisting of a pattern of varicolored diamonds on a solid background (originally for knitted articles); patterned after the tartan of a clan in western Scotland
 
argyle
a covered gravy holder of silver or other metal containing a detachable central vessel for hot water to keep the gravy warm
 
Argyrol
antiseptic consisting of a compound of protein and silver (trade name Argyrol)
 
arial mosaic
arrangement of aerial photographs forming a composite picture
 
ark
a boat built by Noah to save his family and animals from the flood
 
Ark of the Covenant
(Judaism) sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments
 
arm
the part of an armchair or sofa that supports the elbow and forearm of a seated person
 
arm band
a band worn around the arm for decoration
 
arm guard
a pad worn by football players and hockey goalkeepers
 
arm
any projection that is thought to resemble a human arm
 
arm
the part of a garment that is attached at the armhole and that provides a cloth covering for the arm
 
arm
any instrument or instrumentality used in fighting or hunting
 
armament
weaponry used by military or naval force
 
armature
coil in which voltage is induced by motion through a magnetic field
 
armband
a band worn around the upper arm
 
armchair
chair with a support on each side for arms
 
armet
a medieval helmet with a visor and a neck guard
 
armguard
a protective covering for the wrist or arm that is used in archery and fencing and other sports
 
armhole
a hole through which you put your arm and where a sleeve can be attached
 
armilla
(archeology) a bracelet worn around the wrist or arm
 
armilla
a celestial globe consisting of metal hoops; used by early astronomers to determine the positions of stars
 
armoire
a large wardrobe or cabinet; originally used for storing weapons
 
armor plate
specially hardened steel plate used to protect fortifications or vehicles from enemy fire
 
armor
protective covering made of metal and used in combat
 
armored car
a military combat vehicle on wheels with light armor (and usually a machine gun)
 
armored car
an armor-plated truck with strong doors and locks used to transport money or valuables
 
armored combat vehicle
an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
 
armored vehicle
a vehicle that is protected by armor plate
 
armorial bearing
heraldry consisting of a design or image depicted on a shield
 
armory
a place where arms are manufactured
 
armory
a military structure where arms and ammunition and other military equipment are stored and training is given in the use of arms
 
armory
all the weapons and equipment that a country has
 
armrest
a support for the arm
 
arms
the official symbols of a family, state, etc.
 
arms
weapons considered collectively
 
army base
a large base of operations for an army
 
Army High Performance Computing Research Center
a United States defense laboratory to conduct research in high-performance computing for defense technology applications; a partnership of government and university and industry
 
army hut
temporary military shelter
 
arnica
an ointment used in treating bruises
 
arquebus
an obsolete firearm with a long barrel
 
arras
a wall hanging of heavy handwoven fabric often with pictorial designs
 
array
an arrangement of aerials spaced to give desired directional characteristics
 
array
especially fine or decorative clothing
 
arrester
a restraint that slows airplanes as they land on the flight deck of an aircraft carrier
 
arrival gate
gate where passengers disembark
 
arrow
a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
 
arrowhead
the pointed head or striking tip of an arrow
 
art gallery
a room or series of rooms where works of art are exhibited
 
art object
a work of art of some artistic value
 
art school
a school specializing in art
 
art
the products of human creativity; works of art collectively
 
Artemision at Ephesus
the large temple of the Greek goddess Artemis which was begun at Ephesus in 541 BC and completed 220 years later; the temple was destroyed by the Goths in 262
 
arterial road
a major or main route
 
arteriogram
an X ray of an artery filled with a contrast medium
 
artery
a major thoroughfare that bears important traffic
 
artesian well
a well drilled through impermeable strata into strata that receive water from a higher altitude so there is pressure to force the water to flow upward
 
arthrogram
an X ray of a joint after the injection of a contrast medium
 
arthroscope
a type of endoscope that is inserted into a joint for visual examination
 
article of clothing
a covering designed to be worn on a person's body
 
article of commerce
an article that is offered for sale
 
article of furniture
furnishings that make a room or other area ready for occupancy
 
articulated ladder
a ladder consisting of segments (usually four) that are held together by joints that can lock in place
 
articulated lorry
a truck consisting of a tractor and trailer together
 
artificial additive
an additive to food intended to improve its flavor or appearance or shelf-life
 
artificial flower
a handmade imitation of a blossom
 
artificial heart
a pump that replaces the natural heart
 
artificial horizon
a navigational instrument based on a gyroscope; it artificially provides a simulated horizon for the pilot
 
artificial joint
a metal or plastic part that is surgically implanted to replace a natural joint (possibly elbow or wrist but usually hip or knee)
 
artificial kidney
a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body
 
artificial lake
lake used to store water for community use
 
artificial pacemaker
an implanted electronic device that takes over the function of the natural cardiac pacemaker
 
artificial satellite
man-made equipment that orbits around the earth or the moon
 
artificial skin
a synthetic covering with two layers used experimentally to treat burn victims
 
artillery shell
a shell fired by artillery
 
artillery
large but transportable armament
 
artist's loft
a factory loft that has been converted into an artist's workroom and living area
 
artist's workroom
a studio especially for an artist or designer
 
ascot
a cravat with wide square ends; secured with an ornamental pin
 
asdic
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
 
ash bin
a bin that holds rubbish until it is collected
 
ash-pan
a receptacle fitted beneath the grate in which ashes collect and are removed
 
Ashcan school
early 20th-century United States painting; portrays realistic and sordid scenes of city life
 
ashlar
a rectangular block of hewn stone used for building purposes
 
ashtray
a receptacle for the ash from smokers' cigars or cigarettes
 
asparagus bed
a bed in which asparagus is growing
 
aspergill
a short-handled device with a globe containing a sponge; used for sprinkling holy water
 
aspersorium
the basin or other vessel that holds holy water in Roman Catholic Churches
 
asphyxiator
a manually operated device for extinguishing small fires
 
aspirator
a pump that draws air or another gas through a liquid
 
aspirin powder
a powdered form of aspirin
 
assagai
the slender spear of the Bantu-speaking people of Africa
 
assault gun
an armored vehicle with the chassis of a tank (but no turret) and a large gun; used as an antitank weapon and to support infantry
 
assault gun
any of the automatic rifles or semiautomatic rifles with large magazines designed for military use
 
assemblage
a system of components assembled together for a particular purpose
 
assembly
a group of machine parts that fit together to form a self-contained unit
 
assembly
a unit consisting of components that have been fitted together
 
assembly hall
a hall where many people can congregate
 
assembly line
mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it
 
assembly plant
a factory where manufactured parts are assembled into a finished product
 
assembly
a public facility to meet for open discussion
 
astatic coils
an arrangement of coils used in sensitive electrical instruments; the coils are arranged to give zero resultant external magnetic field when a current passes through them and to have zero electromotive force induced in them by an external magnetic field
 
astatic galvanometer
has a moving magnet and astatic coils arranged to cancel the effect of the Earth's magnetic field
 
astragal
a beaded molding for edging or decorating furniture
 
astringent
a drug that causes contraction of body tissues and canals
 
astrodome
a transparent dome on top of an airplane where the navigator can make celestial observations
 
astrolabe
an early form of sextant
 
astronomical telescope
any telescope designed to collect and record electromagnetic radiation from cosmic sources
 
astronomy satellite
a satellite equipped with a telescope to observe infrared radiation
 
Aswan High Dam
one of the world's largest dams on the Nile River in southern Egypt
 
asylum
a hospital for mentally incompetent or unbalanced person
 
asylum
a shelter from danger or hardship
 
Atabrine
a drug (trade name Atabrine) used to treat certain worm infestations and once used to treat malaria
 
athanor
a furnace that feeds itself so as to maintain a uniform temperature; used by alchemists
 
athenaeum
a place where reading materials are available
 
atherodyde
a simple type of jet engine; must be launched at high speed
 
athletic facility
a facility for athletic events
 
athletic sock
a sock worn for athletic events
 
athletic supporter
a support for the genitals worn by men engaging in strenuous exercise
 
Ativan
tranquilizer (trade name Ativan) used to treat anxiety and tension and insomnia
 
atlas
a figure of a man used as a supporting column
 
ATM
an unattended machine (outside some banks) that dispenses money when a personal coded card is used
 
atmometer
an instrument that measures rate of evaporation of water
 
atomic clock
a timepiece that derives its time scale from the vibration of atoms or molecules
 
atomic cocktail
an oral dose of radioactive substance used in treatment and diagnosis of cancer
 
atomic pile
a nuclear reactor that uses controlled nuclear fission to generate energy
 
atomic warhead
the warhead of a missile designed to deliver an atom bomb
 
atomic weapon
a weapon of mass destruction whose explosive power derives from a nuclear reaction
 
atomiser
a dispenser that turns a liquid (such as perfume) into a fine mist
 
atrium
the central area in a building; open to the sky
 
Atromid-S
a drug (trade name Atromid-S) that reduces lipids in the blood serum; used to treat some cardiovascular diseases
 
atropine
a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
 
Atrovent
an inhaled bronchodilator (trade name Atrovent)
 
attache
a shallow and rectangular briefcase
 
attachment
a supplementary part or accessory
 
attachment
a connection that fastens things together
 
attack aircraft
a high-speed military or naval airplane designed to destroy enemy aircraft in the air
 
attack submarine
a military submarine designed and armed to attack enemy shipping
 
attenuator
an electrical device for attenuating the strength of an electrical signal
 
attic
(architecture) a low wall at the top of the entablature; hides the roof
 
attic fan
a fan that blows heated air out of the attic of a building
 
attic
floor consisting of open space at the top of a house just below roof; often used for storage
 
attire
clothing of a distinctive style or for a particular occasion
 
auberge
a hotel providing overnight lodging for travelers
 
auction block
a platform from which an auctioneer sells
 
audio
the sound elements of television
 
audio amplifier
an amplifier that increases the amplitude of reproduced sound
 
audio CD
compact discs used to reproduce sound (voice and music)
 
audio system
a system of electronic equipment for recording or reproducing sound
 
audio
a recording of acoustic signals
 
audiocassette
a cassette for audiotape
 
audiogram
a graphical representation of a person's auditory sensitivity to sound
 
audiometer
an instrument used to measure the sensitivity of hearing
 
audiotape
magnetic tape for use in recording sound
 
audiotape
a tape recording of sound
 
audiovisual
materials using sight or sound to present information
 
auditorium
the area of a theater or concert hall where the audience sits
 
Augean stables
(Greek mythology) the extremely dirty stables that were finally cleaned by Hercules who diverted two rivers through them
 
auger
hand tool for boring holes
 
auger
a long flexible steel coil for dislodging stoppages in curved pipes
 
Augmentin
an antibiotic; a semisynthetic oral penicillin (trade names Amoxil and Larotid and Polymox and Trimox and Augmentin) used to treat bacterial infections
 
Aureomycin
a yellow crystalline antibiotic (trade name Aureomycin) used to treat certain bacterial and rickettsial diseases
 
auriscope
medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
 
Auschwitz
a Nazi concentration camp for Jews in southwestern Poland during World War II
 
auto accessory
an accessory for an automobile
 
auto factory
a factory where automobiles are manufactured
 
auto part
a component of an automobile
 
auto tire
a tire consisting of a rubber ring around the rim of an automobile wheel
 
auto
a motor vehicle with four wheels; usually propelled by an internal combustion engine
 
auto-changer
an automatic mechanical device on a record player that causes new records to be played without manual intervention
 
autobahn
an expressway in a German-speaking country
 
autobus
a vehicle carrying many passengers; used for public transport
 
autoclave
a device for heating substances above their boiling point; used to manufacture chemicals or to sterilize surgical instruments
 
autocue
a device that displays words for people to read
 
autofocus
an optical device for focussing a camera or other instrument automatically
 
autogiro
an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller
 
autograph album
an album for autographs
 
autoinjector
a hypodermic syringe to use in injecting yourself with a liquid
 
autoloader
a firearm that reloads itself
 
automat
a cafeteria where food is served from machines
 
automat
a vending machine from which you can get food
 
automatic choke
a choke that automatically controls the flow of air to the carburetor
 
automatic drive
a transmission that automatically changes the gears according to the speed of the car
 
automatic firearm
a firearm that reloads itself and keeps firing until the trigger is released
 
automatic pilot
a navigational device that automatically keeps ships or planes or spacecraft on a steady course
 
automatic washer
a home appliance for washing clothes and linens automatically
 
automatic
a pistol that will keep firing until the ammunition is gone or the trigger is released
 
automatic
light machine gun
 
automation
equipment used to achieve automatic control or operation
 
automaton
a mechanism that can move automatically
 
automobile battery
a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system
 
automobile engine
the engine that propels an automobile
 
automobile horn
a device on an automobile for making a warning noise
 
automobile trunk
compartment in an automobile that carries luggage or shopping or tools
 
automotive vehicle
a self-propelled wheeled vehicle that does not run on rails
 
autoradiograph
a radiogram produced by radiation emitted by the specimen being photographed
 
autostrada
an expressway in an Italian-speaking country
 
autotype
an exact copy or reproduction
 
auxiliary airfield
an airfield that functions in a subsidiary capacity
 
auxiliary boiler
(nautical) an extra boiler (as a ship's boiler that is used while the ship is in port)
 
auxiliary engine
(nautical) a small engine (as one used on board ships to operate a windlass)
 
auxiliary equipment
electronic equipment not in direct communication (or under the control of) the central processing unit
 
auxiliary pump
a supplementary pump available if needed
 
auxiliary research submarine
a submarine for research purposes
 
auxiliary storage
a data storage device that is not the main memory of a computer
 
aventail
a medieval hood of mail suspended from a basinet to protect the head and neck
 
avenue
a wide street or thoroughfare
 
aviary
a building where birds are kept
 
awl
a pointed tool for marking surfaces or for punching small holes
 
awning deck
a deck at the top of a passenger ship
 
awning
a canopy made of canvas to shelter people or things from rain or sun
 
ax handle
the handle of an ax
 
ax head
the cutting head of an ax
 
ax
an edge tool with a heavy bladed head mounted across a handle
 
axis
the center around which something rotates
 
axle
a shaft on which a wheel rotates
 
axle bar
an iron bar that serves as an axletree
 
axletree
a dead axle on a carriage or wagon that has terminal spindles on which the wheels revolve
 
Azactam
an antibiotic (trade name Azactam) used against severe infections; has minimal side effects
 
B battery
battery for supplying a constant positive voltage to the plate of a vacuum tube
 
B-52
United States military aircraft; B- stands for bomber
 
B-flat clarinet
the ordinary clarinet with a middle range
 
babushka
a woman's headscarf folded into a triangle and tied under the chin; worn by Russian peasant women
 
baby bed
a small bed for babies; enclosed by sides to prevent the baby from falling
 
baby buggy
a small vehicle with four wheels in which a baby or child is pushed around
 
baby grand
a small grand piano
 
baby oil
an ointment for babies
 
baby powder
powder used to prevent a baby's diaper from chafing
 
baby shoe
a shoe designed to be worn by infants
 
baby's dummy
device used for an infant to suck or bite on
 
baby's room
a child's room for a baby
 
baby-walker
an enclosing framework on casters or wheels; helps babies learn to walk
 
baccy
leaves of the tobacco plant dried and prepared for smoking or ingestion
 
bacitracin
a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally
 
back
the part of a garment that covers the back of your body
 
back brace
a brace worn to support the back
 
back door
an entrance at the rear of a building
 
back pack
a bag carried by a strap on your back or shoulder
 
back porch
a porch for the back door
 
back room
a room located in the rear of an establishment; usually accessible only to privileged groups
 
back saw
a handsaw that is stiffened by metal reinforcement along the upper edge
 
back
a support that you can lean against while sitting
 
back
the protective covering on the front, back, and spine of a book
 
back
the side that goes last or is not normally seen
 
backband
a broad band that passes over the back of a horse and supports the shafts of a vehicle
 
backbench
any of the seats occupied by backbenchers in the House of Commons
 
backboard
a board used to support the back of someone or something
 
backboard
a raised vertical board with basket attached; used to play basketball
 
backbone
the part of a network that connects other networks together
 
backbone
the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
 
backcloth
scenery hung at back of stage
 
backgammon board
the board on which backgammon is played
 
background
(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
 
backhoe
an excavator whose shovel bucket is attached to a hinged boom and is drawn backward to move earth
 
backing
something forming a back that is added for strengthening
 
backlighting
lighting from behind
 
backpacking tent
a tent that can be carried in a backpack
 
backplate
plate armor protecting the back; worn as part of a cuirass
 
backroom
the meeting place of a group of leaders who make their decisions via private negotiations
 
backscratcher
a long-handled scratcher for scratching your back
 
backseat
a seat at the back of a vehicle (especially the seat at the back of an automobile)
 
backspace
the typewriter key used for back spacing
 
backstage
a stage area out of sight of the audience
 
backstairs
a second staircase at the rear of a building
 
backstay
a stay that supports the back of something
 
backstitch
an overlapping stitch made by starting the next stitch at the middle of the preceding one
 
backstop
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field
 
backsword
a sword with only one cutting edge
 
backsword
a stick used instead of a sword for fencing
 
backup system
a computer system for making backups
 
backup
(computer science) a copy of a file or directory on a separate storage device
 
backyard
the grounds in back of a house
 
bacteria bed
layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
 
badminton court
the court on which badminton is played
 
badminton equipment
equipment for playing the game of badminton
 
badminton racket
a light long-handled racket used by badminton players
 
baffle
a flat plate that controls or directs the flow of fluid or energy
 
bag
a flexible container with a single opening
 
bag
a place that the runner must touch before scoring
 
bag
a portable rectangular container for carrying clothes
 
bag
a container used for carrying money and small personal items or accessories (especially by women)
 
bagatelle
something of little value or significance
 
baggage
the portable equipment and supplies of an army
 
baggage car
a railway car where passengers' bags are carried
 
baggage claim
an area in an airport where arriving passengers can collect the luggage that has been carried in the hold of the aircraft
 
baggage
cases used to carry belongings when traveling
 
bagger
a machine for putting objects or substances into bags
 
bagging
coarse fabric used for bags or sacks
 
bagnio
a building containing public baths
 
bagnio
a building where prostitutes are available
 
bagpipe
a tubular wind instrument; the player blows air into a bag and squeezes it out through the drone
 
bailey
the outer defensive wall that surrounds the outer courtyard of a castle
 
bailey
the outer courtyard of a castle
 
Bailey bridge
a temporary bridge designed for rapid construction
 
bain-marie
a large pan that is filled with hot water; smaller pans containing food can be set in the larger pan to keep food warm or to cook food slowly
 
bait
something used to lure fish or other animals into danger so they can be trapped or killed
 
baize
a bright green fabric napped to resemble felt; used to cover gaming tables
 
bakehouse
a workplace where baked goods (breads and cakes and pastries) are produced or sold
 
baking tray
a cooking utensil consisting of a flat rectangular metal sheet used for baking cookies or biscuits
 
balaclava
a cap that is close-fitting and woolen and covers all of the head but the face
 
balalaika
a stringed instrument that has a triangular body and three strings
 
balance
a scale for weighing; depends on pull of gravity
 
balance beam
a gymnastic apparatus used by women gymnasts
 
balance
a wheel that regulates the rate of movement in a machine; especially a wheel oscillating against the hairspring of a timepiece to regulate its beat
 
balance
a weight that balances another weight
 
balbriggan
a cotton knit fabric used for underwear
 
balcony
a platform projecting from the wall of a building and surrounded by a balustrade or railing or parapet
 
balcony
an upper floor projecting from the rear over the main floor in an auditorium
 
baldachin
ornamented canopy supported by columns or suspended from a roof or projected from a wall (as over an altar)
 
baldric
a wide (ornamented) belt worn over the right shoulder to support a sword or bugle by the left hip
 
bale
a large bundle bound for storage or transport
 
baling wire
wire used to make bales
 
balk
one of several parallel sloping beams that support a roof
 
ball
round object that is hit or thrown or kicked in games
 
ball
a spherical object used as a plaything
 
ball and chain
heavy iron ball attached to a prisoner by a chain
 
ball bearing
bearings containing small metal balls
 
ball cartridge
a general purpose cartridge having a primer and a ball and a full charge of powder
 
ball cock
floating ball that controls level in a water tank
 
ball field
the baseball playing field
 
ball gown
the most formal gown; worn to a ball
 
ball valve
any valve that checks flow by the seating of a ball
 
ball
a solid projectile that is shot by a musket
 
ball-and-socket joint
a joint that can rotate within a socket
 
ball-peen hammer
a hammer with one round and one flat end; used in working metal
 
ballast
any heavy material used to stabilize a ship or airship
 
ballast
a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
 
ballast
an electrical device for starting and regulating fluorescent and discharge lamps
 
balldress
a suit or dress for formal occasions
 
ballet skirt
very short skirt worn by ballerinas
 
ballistic capsule
a craft capable of traveling in outer space; technically, a satellite around the sun
 
ballistic galvanometer
a moving-coil galvanometer that measures electric charge
 
ballistic missile
a missile that is guided in the first part of its flight but falls freely as it approaches target
 
ballistic pendulum
a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
 
ballistocardiograph
a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
 
balloon
large tough nonrigid bag filled with gas or heated air
 
balloon
small thin inflatable rubber bag with narrow neck
 
balloon sail
any light loose sail
 
balloon seat
a seat that has a bell shape (on some 18th century chairs)
 
ballot box
a box where voters deposit their ballots
 
ballpark
a facility in which ball games are played (especially baseball games)
 
ballroom
large room used mainly for dancing
 
balm
semisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritation
 
Balmoral
a brimless dark blue Scottish cap with a flat top and a plume on one side
 
balmoral
a sturdy laced walking shoe
 
balsam
an ointment containing a fragrant resin
 
baluster
one of a number of closely spaced supports for a railing
 
balusters
a railing at the side of a staircase or balcony to prevent people from falling
 
banana boat
a ship designed to transport bananas
 
band
a thin flat strip of flexible material that is worn around the body or one of the limbs (especially to decorate the body)
 
band
a restraint put around something to hold it together
 
band
a thin flat strip or loop of flexible material that goes around or over something else, typically to hold it together or as a decoration
 
band
a driving belt in machinery
 
Band Aid
trade name for an adhesive bandage to cover small cuts or blisters
 
band saw
an endless saw consisting of a toothed metal band that is driven around two wheels
 
band
an adornment consisting of a strip of a contrasting color or material
 
band
a strip of material attached to the leg of a bird to identify it (as in studies of bird migration)
 
band
jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger
 
bandage
a piece of soft material that covers and protects an injured part of the body
 
bandana
large and brightly colored handkerchief; often used as a neckerchief
 
bandbox
a light cylindrical box for holding light articles of attire (especially hats)
 
bandeau
an undergarment worn by women to support their breasts
 
banderilla
a decorated dart that is implanted in the neck or shoulders of the bull during a bull fight
 
bandoleer
a broad cartridge belt worn over the shoulder by soldiers
 
bandoneon
a type of concertina popular in South America
 
bandstand
a platform where a (brass) band can play in the open air
 
bandwagon
a large ornate wagon for carrying a musical band
 
bangalore torpedo
a metal pipe filled with explosive, used to detonate land mines or to clear a path through barbed wire
 
banger
firework consisting of a small explosive charge and fuse in a heavy paper casing
 
bangle
cheap showy jewelry or ornament on clothing
 
bangle
jewelry worn around the wrist for decoration
 
banian
a loose fitting jacket; originally worn in India
 
banjo
a stringed instrument of the guitar family that has long neck and circular body
 
bank vault
a strongroom or compartment (often made of steel) for safekeeping of valuables
 
bank
a building in which the business of banking transacted
 
bank
a container (usually with a slot in the top) for keeping money at home
 
banner
any distinctive flag
 
banner
long strip of cloth or paper used for decoration or advertising
 
banquette
an upholstered bench
 
baptismal font
bowl for baptismal water
 
bar
a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon
 
bar
an obstruction (usually metal) placed at the top of a goal
 
bar
a counter where you can obtain food or drink
 
bar
(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried
 
bar
a heating element in an electric fire
 
bar
a horizontal rod that serves as a support for gymnasts as they perform exercises
 
bar bit
a bit for horses that is a solid bar of metal
 
bar magnet
a magnet in the form of a bar with magnetic poles at each end
 
bar mask
a catcher's mask with bars
 
bar printer
an impact printer that uses a bar to carry the type slugs
 
bar soap
soap in the form of a bar
 
bar
a room or establishment where alcoholic drinks are served over a counter
 
bar
a block of solid substance (such as soap or wax)
 
barb
a subsidiary point facing opposite from the main point that makes an arrowhead or spear hard to remove
 
barb
the pointed part of barbed wire
 
barbacan
a tower that is part of a defensive structure (such as a castle)
 
barbecue
a rack to hold meat for cooking over hot charcoal usually out of doors
 
barbed wire
strong wire with barbs at regular intervals used to prevent passage
 
barbell
a bar to which heavy discs are attached at each end; used in weightlifting
 
barber chair
a large fixed adjustable chair in which barbers seat their customers
 
barbershop
a shop where men can get their hair cut
 
barbette
(formerly) a mound of earth inside a fort from which heavy gun can be fired over the parapet
 
barbette carriage
a gun carriage elevated so that the gun can be fired over the parapet
 
barbital
a barbiturate used as a hypnotic
 
barbiturate
organic compound having powerful soporific effect; overdose can be fatal
 
bard
an ornamental caparison for a horse
 
bareboat
a vessel (such as a yacht) that can be chartered without a captain or crew or provisions
 
barge pole
a long pole used to propel or guide a barge
 
barge
a flatbottom boat for carrying heavy loads (especially on canals)
 
bargello
needlepoint embroidery stitch that produces zigzag lines
 
baritone
the second lowest brass wind instrument
 
bark
a sailing ship with 3 (or more) masts
 
barn
an outlying farm building for storing grain or animal feed and housing farm animals
 
barn door
the large sliding door of a barn
 
barndoor
an opaque adjustable flap on a lamp fixture; used in photography to cut off light from particular areas
 
barnyard
a yard adjoining a barn
 
barograph
a recording barometer; automatically records on paper the variations in atmospheric pressure
 
barometer
an instrument that measures atmospheric pressure
 
barong
a knife resembling a cleaver; used in the Philippines
 
barouche
a horse-drawn carriage having four wheels; has an outside seat for the driver and facing inside seats for two couples and a folding top
 
barrack
a building or group of buildings used to house military personnel
 
barrage balloon
an elongated tethered balloon or blimp with cables or net suspended from it to deter enemy planes that are flying low
 
barrel knot
a knot used for tying fishing leaders together; the ends of the two leaders are wrapped around each other two or three times
 
barrel organ
a musical instrument that makes music by rotation of a cylinder studded with pegs
 
barrel vault
the simplest form of vault; a single continuous arch
 
barrel
a cylindrical container that holds liquids
 
barrel
a tube through which a bullet travels when a gun is fired
 
barrelhouse
a cheap drinking and dancing establishment
 
barrette
a pin for holding women's hair in place
 
barricade
a barrier (usually thrown up hastily) to impede the advance of an enemy
 
barricade
a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.
 
barrier
a structure or object that impedes free movement
 
barrier strip
a junction unit for connecting 2 cables without the need for plugs
 
barrow
(archeology) a heap of earth placed over prehistoric tombs
 
barrow
a cart for carrying small loads; has handles and one or more wheels
 
bars
gymnastic apparatus consisting of two parallel wooden rods supported on uprights
 
bas relief
a sculptural relief in which forms extend only slightly from the background; no figures are undercut
 
bascule
a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw)
 
base
(electronics) the part of a transistor that separates the emitter from the collector
 
base
a flat bottom on which something is intended to sit
 
base
the principal ingredient of a mixture
 
base
installation from which a military force initiates operations
 
base
lowest support of a structure
 
base
the stock of basic facilities and capital equipment needed for the functioning of a country or area
 
base
a support or foundation
 
baseball
a ball used in playing baseball
 
baseball bat
an implement used in baseball by the batter
 
baseball cap
a cap with a bill
 
baseball card
a trading card with a picture of a baseball player and information about his playing record
 
baseball diamond
the area of a baseball field that is enclosed by 3 bases and home plate
 
baseball equipment
equipment used in playing baseball
 
baseball glove
the handwear used by fielders in playing baseball
 
baseboard
a molding covering the joint formed by a wall and the floor
 
basement
the ground floor facade or interior in Renaissance architecture
 
basement
the lowermost portion of a structure partly or wholly below ground level; often used for storage
 
basic point defense missile system
a shipboard missile system
 
basic
(usually in the plural) a necessary commodity for which demand is constant
 
basilica
an early Christian church designed like a Roman basilica; or a Roman Catholic church or cathedral accorded certain privileges
 
basilisk
ancient brass cannon
 
basin
a bowl-shaped vessel; usually used for holding food or liquids
 
basin
a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face
 
basinet
a medieval steel helmet
 
basket hilt
a hilt with a basket-shaped guard for the hand
 
basket weave
a cloth woven of two or more threads interlaced to suggest the weave of a basket
 
basket
horizontal circular metal hoop supporting a net through which players try to throw the basketball
 
basket
a container that is usually woven and has handles
 
basket-handle arch
a round arch whose inner curve is drawn with circles having three centers
 
basketball
an inflated ball used in playing basketball
 
basketball court
the court on which basketball is played
 
basketball equipment
sports equipment used in playing basketball
 
bass
the member with the lowest range of a family of musical instruments
 
bass clarinet
a large clarinet whose range is an octave below the B-flat clarinet
 
bass drum
a large drum with two heads; makes a sound of indefinite but very low pitch
 
bass fiddle
largest and lowest member of the violin family
 
bass guitar
the guitar with six strings that has the lowest pitch
 
bass horn
the lowest brass wind instrument
 
bass viol
viol that is the bass member of the viol family with approximately the range of the cello
 
basset horn
a tenor clarinet; pitched in the key of F below the B-flat clarinet
 
basset oboe
an oboe pitched an octave below the ordinary oboe
 
bassinet
a basket (usually hooded) used as a baby's bed
 
bassinet
a perambulator that resembles a bassinet
 
bassoon
a double-reed instrument; the tenor of the oboe family
 
bastard
derogatory term for a variation that is not genuine; something irregular or inferior or of dubious origin
 
baste
a loose temporary sewing stitch to hold layers of fabric together
 
baster
a tube with a rubber bulb used to take up and release melted fat or gravy in order to moisten roasting meat
 
bastille
a jail or prison (especially one that is run in a tyrannical manner)
 
Bastille
a fortress built in Paris in the 14th century and used as a prison in the 17th and 18th centuries; it was destroyed July 14, 1789 at the start of the French Revolution
 
bastinado
a cudgel used to give someone a beating on the soles of the feet
 
bastion
projecting part of a rampart or other fortification
 
bastion
a stronghold into which people could go for shelter during a battle
 
basuco
low-grade cocaine mixed with coca paste and cannabis
 
bat
a club used for hitting a ball in various games
 
bat
the club used in playing cricket
 
bat
a small racket with a long handle used for playing squash
 
bateau bridge
a temporary bridge built over a series of pontoons
 
bath
a vessel containing liquid in which something is immersed (as to process it or to maintain it at a constant temperature or to lubricate it)
 
bath chair
a wheelchair usually pushed by an attendant, as at a spa
 
bath linen
linens for use in the bathroom
 
bath mat
a heavy towel or mat to stand on while drying yourself after a bath
 
bath oil
a scented oil added to your bath water
 
bath powder
a fine powder for spreading on the body (as after bathing)
 
bath salts
a preparation that softens or scents a bath
 
bath soap
soap used as a toiletry
 
bath towel
a large towel; to dry yourself after a bath
 
bathhouse
a building containing dressing rooms for bathers
 
bathing cap
a tight-fitting cap that keeps hair dry while swimming
 
bathing costume
tight fitting garment worn for swimming
 
bathing trunks
swimsuit worn by men while swimming
 
bathing tub
a relatively large open container that you fill with water and use to wash the body
 
bathometer
an instrument that measures the depth of water
 
bathrobe
a loose-fitting robe of towelling; worn after a bath or swim
 
bathroom
a room (as in a residence) containing a bathtub or shower and usually a washbasin and toilet
 
bathroom cleaner
a preparation for cleaning bathrooms
 
bathroom fixture
any fixture in a bathroom
 
bathroom
a room or building equipped with one or more toilets
 
bathyscape
navigable deep diving vessel for underwater exploration
 
bathysphere
spherical deep diving apparatus (lowered by a cable) for underwater exploration
 
batik
a dyed fabric; a removable wax is used where the dye is not wanted
 
batiste
a thin plain-weave cotton or linen fabric; used for shirts or dresses
 
baton
a hollow cylinder passed from runner to runner in a relay race
 
baton
a hollow metal rod that is wielded or twirled by a drum major or drum majorette
 
baton
a short staff carried by some officials to symbolize an office or an authority
 
Baton Rouge Bridge
a cantilever bridge across the Mississippi at Baton Rouge
 
baton
a short stout club used primarily by policemen
 
baton
a thin tapered rod used by a conductor to lead an orchestra or choir
 
batten
a strip fixed to something to hold it firm
 
batten
stuffing made of rolls or sheets of cotton wool or synthetic fiber
 
batter's box
an area on a baseball diamond (on either side of home plate) marked by lines within which the batter must stand when at bat
 
battering ram
a ram used to break down doors of fortified buildings
 
battery charger
a device that can hold a rechargeable battery by means of an electrical cable
 
battery
a device that produces electricity; may have several primary or secondary cells arranged in parallel or series
 
battery
a series of stamps operated in one mortar for crushing ores
 
batting cage
a movable screen placed behind home base to catch balls during batting practice
 
batting glove
a glove worn by batters in baseball to give a firmer grip on the bat
 
batting helmet
a helmet worn by the batter in baseball
 
battle cruiser
a cruiser of maximum speed and firepower
 
battle dress
a military uniform designed for field service
 
battle flag
a flag that leads troops into battle
 
battle sight
an arrangement of sights that makes possible the rapid aiming of a firearm at short ranges
 
battle-ax
a broadax used as a weapon
 
battlement
a rampart built around the top of a castle with regular gaps for firing arrows or guns
 
battleship
large and heavily armoured warship
 
batwing
one of a pair of swinging doors (as at the entrance to a western saloon)
 
bay
a compartment in an aircraft used for some specific purpose
 
bay
a compartment on a ship between decks; often used as a hospital
 
bay rum
an aromatic liquid originally obtained by distilling the leaves of the bayberry tree with rum
 
bay window
a window that sticks out from the outside wall of a house
 
bay wreath
(antiquity) a wreath of laurel foliage worn on the head as an emblem of victory
 
Baycol
an oral drug (trade name Baycol) to reduce blood cholesterol levels
 
bayonet
a knife that can be fixed to the end of a rifle and used as a weapon
 
Bayonne Bridge
a steel arch bridge connecting New Jersey and Staten Island at Bayonne, New Jersey
 
bazaar
a shop where a variety of goods are sold
 
bazaar
a street of small shops (especially in Orient)
 
bazooka
a portable rocket launcher used by infantrymen as an antitank weapon
 
BB gun
an air gun in which BBs are propelled by compressed air
 
BB shot
a small pellet fired from an air rifle or BB gun
 
bbs
a computer that is running software that allows users to leave messages and access information of general interest
 
beach ball
large and light ball; for play at the seaside
 
beach buggy
a recreational vehicle with large tires used on beaches or sand dunes
 
beach chair
a folding chair for use outdoors; a wooden frame supports a length of canvas
 
beach house
a house built on or near a beach
 
beach towel
very large towel to dry yourself after swimming
 
beach waggon
a car that has a long body and rear door with space behind rear seat
 
beachwear
clothing to be worn at a beach
 
beacon
a tower with a light that gives warning of shoals to passing ships
 
beacon
a radio station that broadcasts a directional signal for navigational purposes
 
bead
a small ball with a hole through the middle
 
bead and quirk
beading formed with a narrow groove separating it from the surface it decorates
 
beading plane
a plane with a concave blade for making moulding with beadwork
 
beading
ornamentation with beads
 
beads
several beads threaded together on a string
 
beaker
a cup (usually without a handle)
 
beaker
a flatbottomed jar made of glass or plastic; used for chemistry
 
beam
long thick piece of wood or metal or concrete, etc., used in construction
 
beam
the broad side of a ship
 
beam balance
a balance consisting of a lever with two equal arms and a pan suspended from each arm
 
beam scale
a portable balance consisting of a pivoted bar with arms of unequal length
 
beanbag
a small cloth bag filled with dried beans; thrown in games
 
beanie
a small skullcap; formerly worn by schoolboys and college freshmen
 
bear claw
an incised design resembling the claw of a bear; used in Native American pottery
 
bearing
a rotating support placed between moving parts to allow them to move easily
 
bearing rein
a rein designed to keep the horse's head in the desired position
 
bearing wall
any wall supporting a floor or the roof of a building
 
bearskin
tall hat; worn by some British soldiers on ceremonial occasions
 
beater
an implement for beating
 
beating-reed instrument
a musical instrument that sounds by means of a vibrating reed
 
beauty parlor
a shop where hairdressers and beauticians work
 
beauty spot
a spot that is worn on a lady's face for adornment
 
beaver
a movable piece of armor on a medieval helmet used to protect the lower face
 
beaver board
a light wallboard made of compressed wood pulp
 
beaver
a hat made with the fur of a beaver (or similar material)
 
beaver
a man's hat with a tall crown; usually covered with silk or with beaver fur
 
becket
(nautical) a short line with an eye at one end and a knot at the other; used to secure loose items on a ship
 
becket bend
a hitch used for temporarily tying a rope to the middle of another rope (or to an eye)
 
Beckman thermometer
a mercury thermometer that measures small differences or changes in temperature
 
bed
a piece of furniture that provides a place to sleep
 
bed
a plot of ground in which plants are growing
 
bed
a foundation of earth or rock supporting a road or railroad track
 
bed
the flat surface of a printing press on which the type form is laid in the last stage of producing a newspaper or magazine or book etc.
 
bed and breakfast
an overnight boardinghouse with breakfast
 
bed clothing
coverings that are used on a bed
 
bed cover
decorative cover for a bed
 
bed jacket
a lightweight jacket worn over bedclothes (as when sitting in bed)
 
bed linen
linen or cotton articles for a bed (as sheets and pillowcases)
 
bed of flowers
a bed in which flowers are growing
 
bed of roses
a flower bed in which roses are growing
 
bed pillow
a soft pillow for use on a bed
 
bed sheet
bed linen consisting of a large rectangular piece of cotton or linen cloth; used in pairs
 
bed
single thickness of usually some homogeneous substance
 
bedchamber
a room used primarily for sleeping
 
bedding
material used to provide a bed for animals
 
Bedford cord
a heavy corded fabric similar to corduroy; used for clothing
 
bedframe
the framework of a bed
 
Bedlam
pejorative terms for an insane asylum
 
bedpan
a shallow vessel used by a bedridden patient for defecation and urination
 
bedpost
any of 4 vertical supports at the corners of a bedstead
 
bedroll
bedding rolled up for carrying
 
bedroom furniture
furniture intended for use in a bedroom
 
bedsit
a furnished sitting room with sleeping accommodations (and some plumbing)
 
bedspring
(usually in the plural) one of the springs holding up the mattress of a bed
 
beefcake
a photograph of a muscular man in minimal attire
 
beehive
any workplace where people are very busy
 
beehive
a man-made receptacle that houses a swarm of bees
 
beeper
an electronic device that generates a series of beeps when the person carrying it is being paged
 
beer barrel
a barrel that holds beer
 
beer bottle
a bottle that holds beer
 
beer can
a can that holds beer
 
beer garden
tavern with an outdoor area (usually resembling a garden) where beer and other alcoholic drinks are served
 
beer glass
a relatively large glass for serving beer
 
beer hall
a hall or barroom featuring beer and (usually) entertainment
 
beer mat
a drip mat placed under a glass of beer
 
beer mug
a mug intended for serving beer
 
beetle
a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing
 
belaying pin
a wood or metal bar to which a rope can be secured (as on a ship or in mountain climbing)
 
belfry
a room (often at the top of a tower) where bells are hung
 
belfry
a bell tower; usually stands alone unattached to a building
 
bell
a hollow device made of metal that makes a ringing sound when struck
 
bell
the flared opening of a tubular device
 
bell arch
a round arch resting on corbels
 
bell cot
a small shelter for bells; has a gable or shed roof
 
bell deck
a floor under the bells of an open belfry
 
bell foundry
a foundry where bells are cast
 
bell gable
an extension of a gable that serves as a bell cote
 
bell glass
a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
 
bell push
a button that is pushed to ring a bell
 
bell tent
a bell-shaped tent
 
bell tower
a tower that supports or shelters a bell
 
bell
a push button at an outer door that gives a ringing or buzzing signal when pushed
 
bell
a percussion instrument consisting of a set of tuned bells that are struck with a hammer; used as an orchestral instrument
 
belladonna
an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
 
bellarmine
a stoneware drinking jug with a long neck; decorated with a caricature of Cardinal Bellarmine (17th century)
 
bellbottom pants
(used in the plural) trousers with legs that flare; worn by sailors; absurdly wide hems were fashionable in the 1960s
 
bellows
(used in the plural) a mechanical device that blows a strong current of air; used to make a fire burn more fiercely or to sound a musical instrument
 
bellpull
a handle or cord that is pulled to ring a doorbell or a servant's bell etc.
 
bellyband
a strap around the belly of a draft animal holding the shafts of a wagon
 
bellyband
a cloth band that is worn around the waist (as on infants until the navel has healed)
 
Belmont Park
a racetrack for thoroughbred racing in Elmont on Long Island; site of the Belmont Stakes
 
Belsen
a Nazi concentration camp for Jews created in northwestern Germany during World War II
 
belt
a band to tie or buckle around the body (usually at the waist)
 
belt
endless loop of flexible material between two rotating shafts or pulleys
 
belt bag
a small pouch (usually with a zipper) that attaches to a belt and is worn around the waist
 
belt buckle
the buckle used to fasten a belt
 
belt
ammunition (usually of small caliber) loaded in flexible linked strips for use in a machine gun
 
belting
the material of which belts are made
 
beltway
a highway that encircles an urban area so that traffic does not have to pass through the center
 
belvedere
a gazebo sited to command a fine view
 
bema
area around the altar of a church for the clergy and choir; often enclosed by a lattice or railing
 
Benadryl
antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness
 
bench
a long seat for more than one person
 
bench
(law) the seat for judges in a courtroom
 
bench clamp
a clamp used to hold work in place on a workbench
 
bench hook
any of various stops on a workbench against which work can be pushed (as while chiseling or planing)
 
bench lathe
lathe mounted on a workbench
 
bench press
a small punch press mounted on a workbench
 
bench vise
a holding device attached to a workbench; has two jaws to hold workpiece firmly in place
 
bench
a strong worktable for a carpenter or mechanic
 
bend
diagonal line traversing a shield from the upper right corner to the lower left
 
bend
curved segment (of a road or river or railroad track etc.)
 
bender
a tool for bending
 
Benjamin Franklin Bridge
a suspension bridge across the Delaware River
 
bentwood
wood that is steamed until it becomes pliable and then is shaped for use in making furniture
 
Benzedrine
a form of amphetamine
 
benzocaine
a white crystalline ester used as a local anesthetic
 
benzodiazepine
any of several similar lipophilic amines used as tranquilizers or sedatives or hypnotics or muscle relaxants; chronic use can lead to dependency
 
beret
a cap with no brim or bill; made of soft cloth
 
berlin
a limousine with a glass partition between the front and back seats
 
berm
a narrow edge of land (usually unpaved) along the side of a road
 
Bermudian rig
a rig of triangular sails for a yacht
 
berretta
a stiff cap with ridges across the crown; worn by Roman Catholic clergy
 
berth
a bed on a ship or train; usually in tiers
 
besom
a broom made of twigs tied together on a long handle
 
Bessemer converter
a refractory-lined furnace used to convert pig iron into steel by the Bessemer process
 
beta blocker
any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
 
beta-interferon
a form of interferon that is produced by fibroblasts and have antiviral effects; used in the treatment of multiple sclerosis
 
betatron
accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
 
bethel
a house of worship (especially one for sailors)
 
betting shop
a licensed bookmaker's shop that is not at the race track
 
bevatron
a cyclotron that accelerates protons up to several billion electron volts
 
bevel gear
gears that mesh at an angle
 
bevel
a hand tool consisting of two rules that are hinged together so you can draw or measure angles of any size
 
bevel
two surfaces meeting at an angle different from 90 degrees
 
Bextra
a Cox-2 inhibitor (trade name Bextra) that relieves pain and inflammation without harming the digestive tract
 
bezel
a sloping edge on a cutting tool
 
bhang
a preparation of the leaves and flowers of the hemp plant; much used in India
 
bi-fold door
an interior door
 
bib
a napkin tied under the chin of a child while eating
 
bib
top part of an apron; covering the chest
 
bib-and-tucker
an attractive outfit
 
bicorn
a cocked hat with the brim turned up to form two points
 
bicycle chain
a chain that transmits the power from the pedals to the rear wheel of a bicycle
 
bicycle clip
a clip worn around a cyclist's ankles that keeps trousers from becoming caught in the bicycle chain
 
bicycle pump
a small pump that fills bicycle tires with air
 
bicycle rack
a rack for parking bicycles
 
bicycle seat
a seat for the rider of a bicycle
 
bicycle wheel
the wheel of a bicycle
 
bicycle
a wheeled vehicle that has two wheels and is moved by foot pedals
 
bicycle-built-for-two
a bicycle with two sets of pedals and two seats
 
bidet
a basin for washing genitals and anal area
 
bier
a stand to support a corpse or a coffin prior to burial
 
bier
a coffin along with its stand
 
bifocals
(plural) eyeglasses having two focal lengths, one for near vision and the other for far vision
 
Big Ben
clock in the clock tower of the Houses of Parliament, London
 
Big Blue
a reliable and deadly 15,000-pound fragmentation bomb that explodes just above ground with a large radius; the largest conventional bomb in existence; used in Afghanistan
 
big board
the large display board at the New York Stock Exchange that reports on stocks traded on the exchange
 
big dipper
elevated railway in an amusement park (usually with sharp curves and steep inclines)
 
big H
street names for heroin
 
big hand
points to the minutes
 
big top
a canvas tent to house the audience at a circus performance
 
biggin
a child's tight-fitting cap; often ties under the chin
 
bight
the middle part of a slack rope (as distinguished from its ends)
 
bijou
a small and delicately worked piece
 
bike
a motor vehicle with two wheels and a strong frame
 
bikini pants
(used in the plural) small and tight-fitting underpants; worn by women
 
bikini
a woman's very brief bathing suit
 
bilge
where the sides of the vessel curve in to form the bottom
 
bilge keel
either of two lengthwise fins attached along the outside of a ship's bilge; reduces rolling
 
bilge pump
a pump to remove bilgewater
 
bilge well
(nautical) a well where seepage drains to be pumped away
 
bilges
in a vessel with two hulls, an enclosed area between the frames at each side
 
bill
a cutting tool with a sharp edge
 
bill
a brim that projects to the front to shade the eyes
 
billboard
large outdoor signboard
 
billet
lodging for military personnel (especially in a private home)
 
billfold
a pocket-size case for holding papers and paper money
 
billiard ball
ball used in playing billiards
 
billiard hall
a room in which billiards is played
 
billiard marker
a device for keeping the score in a game of billiards
 
billiard table
game equipment consisting of a heavy table on which pool is played
 
bimetallic strip
a strip consisting of two metals that bends with a rise in temperature
 
bin
a container; usually has a lid
 
bin liner
a plastic bag used to line a trash or garbage bin
 
binder
something used to tie or bind
 
binder
a machine that cuts grain and binds it in sheaves
 
binder
holds loose papers or magazines
 
bindery
a workshop where books are bound
 
binding
strip sewn over or along an edge for reinforcement or decoration
 
binding
one of a pair of mechanical devices that are attached to a ski and that will grip a ski boot; the bindings should release in case of a fall
 
binnacle
a nonmagnetic housing for a ship's compass (usually in front of the helm)
 
binocular microscope
a light microscope adapted to the use of both eyes
 
binoculars
(plural) an optical instrument designed for simultaneous use by both eyes
 
bio lab
a laboratory for biological research
 
bioarm
any weapon usable in biological warfare
 
biochip
a microchip that uses tiny strands of DNA to latch onto and quickly recognize thousands of genes at a time; intended for use in a biological environment
 
biohazard suit
a loose one-piece garment worn to protect the wearer against dangerous biological or chemical agents
 
bioscope
a kind of early movie projector
 
bioscope
a South African movie theater
 
biplane
old fashioned airplane; has two wings one above the other
 
biprism
an optical device for obtaining interference fringes
 
birch bark
a canoe made with the bark of a birch tree
 
birch
a switch consisting of a twig or a bundle of twigs from a birch tree; used to hit people as punishment
 
bird feeder
an outdoor device that supplies food for wild birds
 
bird shot
small lead shot for shotgun shells
 
bird
badminton equipment consisting of a ball of cork or rubber with a crown of feathers
 
bird-scarer
an effigy in the shape of a man to frighten birds away from seeds
 
birdbath
an ornamental basin (usually in a garden) for birds to bathe in
 
birdcage
a cage in which a bird can be kept
 
birdcage mask
a catcher's mask with a strong wire face
 
birdcall
a device for imitating a birdcall
 
birdhouse
a shelter for birds
 
Biro
a pen that has a small metal ball as the point of transfer of ink to paper
 
birth control device
an agent or device intended to prevent conception
 
bishop
(chess) a piece that can be moved diagonally over unoccupied squares of the same color
 
bishop's throne
a throne that is the official chair of a bishop
 
bistro
a small informal restaurant; serves wine
 
bit
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
 
bit
piece of metal held in horse's mouth by reins and used to control the horse while riding
 
bit
the part of a key that enters a lock and lifts the tumblers
 
bite plate
a removable dental appliance that is worn in the palate for diagnostic or therapeutic purposes
 
bitewing
a dental X-ray film that can be held in place by the teeth during radiography
 
bitmap
an image represented as a two dimensional array of brightness values for pixels
 
bitstock
a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring
 
bitt pin
a pin through the bitthead to keep the mooring lines from slipping off
 
bitt
a strong post (as on a wharf or quay or ship for attaching mooring lines)
 
bitter end
(nautical) the inboard end of a line or cable especially the end that is wound around a bitt
 
bitthead
the upper end of a bitt
 
bitumastic
a protective coating of asphalt and filter used on structural metals that are exposed to weathering
 
bivouac
temporary living quarters specially built by the army for soldiers
 
black
black clothing (worn as a sign of mourning)
 
black
(board games) the darker pieces
 
black and white
a black-and-white photograph or slide
 
black box
equipment that records information about the performance of an aircraft during flight
 
Black Hole of Calcutta
a dungeon (20 feet square) in a fort in Calcutta where as many as 146 English prisoners were held overnight by Siraj-ud-daula; the next morning only 23 were still alive
 
black lotion
a mixture of calomel and limewater that is used on syphilitic sores
 
black Maria
van used by police to transport prisoners
 
black tie
a black bow tie worn with a dinner jacket
 
black tie
semiformal evening dress for men
 
blackboard eraser
an eraser that removes chalk marks from blackboard
 
blackboard
sheet of slate; for writing with chalk
 
blackface
the makeup (usually burnt cork) used by a performer in order to imitate a Negro
 
blackjack
a piece of metal covered by leather with a flexible handle; used for hitting people
 
Blackwall hitch
a simple hitch used for temporarily attaching a line to a hook
 
blackwash
a wash that colors a surface black
 
bladder
a bag that fills with air
 
blade
the flat part of a tool or weapon that (usually) has a cutting edge
 
blade
the part of the skate that slides on the ice
 
blade bit
a drilling bit with cutting edges usually hardened against wear
 
blade
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
 
blade
flat surface that rotates and pushes against air or water
 
blank
a piece of material ready to be made into something
 
blank
a cartridge containing an explosive charge but no bullet
 
blank
a blank gap or missing part
 
blanket
a layer of lead surrounding the highly reactive core of a nuclear reactor
 
blanket stitch
a strong reinforcing stitch for edges of blanket and other thick material; similar to buttonhole stitch
 
blanket
bedding that keeps a person warm in bed
 
Blarney Stone
a stone in a castle in Ireland that is said to impart skill in flattery to anyone who kisses it
 
blast furnace
a furnace for smelting of iron from iron oxide ores; combustion is intensified by a blast of air
 
blasting cap
a small tube filled with detonating substances; used to detonate high explosives
 
blasting gelatin
mixture of guncotton with nitroglycerin
 
blazer
lightweight single-breasted jacket; often striped in the colors of a club or school
 
bleachers
(used in the plural) an outdoor grandstand without a roof; patrons are exposed to the sun as linens are when they are bleached
 
blender
an electrically powered mixer with whirling blades that mix or chop or liquefy foods
 
blimp
a small nonrigid airship used for observation or as a barrage balloon
 
blind
a hiding place sometimes used by hunters (especially duck hunters)
 
blind alley
a street with only one way in or out
 
blind bend
a curve or bend in the road that you cannot see around as you are driving
 
blind corner
a street corner that you cannot see around as you are driving
 
blind
a protective covering that keeps things out or hinders sight
 
blinder
blind consisting of a leather eyepatch sewn to the side of the halter that prevents a horse from seeing something on either side
 
blindfold
a cloth used to cover the eyes
 
bling
flashy, ostentatious jewelry
 
blinker
a light that flashes on and off; used as a signal or to send messages
 
blister pack
packaging in which a product is sealed between a cardboard backing and clear plastic cover
 
Blocadren
a beta blocker (trade name Blocadren) administered after heart attacks
 
block
a solid piece of something (usually having flat rectangular sides)
 
block
housing in a large building that is divided into separate units
 
block and tackle
pulley blocks with associated rope or cable
 
block diagram
a diagram showing the interconnections between the components of system (especially an electronic system)
 
block plane
a small plane used on end grains of wood
 
block
an obstruction in a pipe or tube
 
block
a metal casting containing the cylinders and cooling ducts of an engine
 
block
a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
 
blockade
prevents access or progress
 
blockade-runner
a ship that runs through or around a naval blockade
 
blockbuster
a large bomb used to demolish extensive areas (as a city block)
 
blocker
a class of drugs that inhibit (block) some biological process
 
blockhouse
a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire
 
bloodmobile
a motor vehicle equipped to collect blood donations
 
bloomers
(used in the plural) underpants worn by women
 
blouse
a top worn by women
 
blow drier
a hand-held electric blower that can blow warm air onto the hair; used for styling hair
 
blow tube
a tube through which darts can be shot by blowing
 
blow tube
a tube that directs air or gas into a flame to concentrate heat
 
blower
a device that produces a current of air
 
blower
a fan run by an electric motor
 
blowhole
a hole for the escape of gas or air
 
blowlamp
a burner that mixes air and gas to produce a very hot flame
 
blowup
a photographic print that has been enlarged
 
blucher
a high shoe with laces over the tongue
 
bludgeon
a club used as a weapon
 
blue
blue clothing
 
blue chip
a blue poker chip with the highest value
 
blue jeans
(used in the plural) close-fitting trousers of heavy denim for manual work or casual wear
 
blueprint
photographic print of plans or technical drawings etc.
 
blunderbuss
a short musket of wide bore with a flared muzzle
 
blunt file
a file with parallel edges
 
blusher
makeup consisting of a pink or red powder applied to the cheeks
 
boa
a long thin fluffy scarf of feathers or fur
 
board
a flat piece of material designed for a special purpose
 
board rule
a measure used in computing board feet
 
board
electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices
 
board
a table at which meals are served
 
board
a vertical surface on which information can be displayed to public view
 
board
a flat portable surface (usually rectangular) designed for board games
 
boarding
a structure of boards
 
boarding house
a private house that provides accommodations and meals for paying guests
 
boardroom
a room where a committee meets (such as the board of directors of a company)
 
boards
(used in the plural) the boarding that surrounds an ice hockey rink
 
boards
(used in the plural) the stage of a theater
 
boardwalk
a walkway made of wooden boards; usually at seaside
 
boat
a small vessel for travel on water
 
boat deck
the upper deck on which lifeboats are stored
 
boat hook
pole-handled hook used to pull or push boats
 
boat paddle
a short light oar used without an oarlock to propel a canoe or small boat
 
boat train
a train taking passengers to or from a port
 
boat whistle
a whistle on a boat that is sounded as a warning
 
boat
a dish (often boat-shaped) for serving gravy or sauce
 
boathouse
a shed at the edge of a river or lake; used to store boats
 
boatswain's chair
a seat consisting of a board and a rope; used while working aloft or over the side of a ship
 
boatyard
a place where boats are built or maintained or stored
 
bob
a hanging weight, especially a metal ball on a string
 
bob
a small float usually made of cork; attached to a fishing line
 
bob
a long racing sled (for 2 or more people) with a steering mechanism
 
bobbin lace
a handmade lace worked on a pillow with threads wound on bobbins; the pattern is marked out on the pillow by pins
 
bobbin
a winder around which thread or tape or film or other flexible materials can be wound
 
bobby pin
a flat wire hairpin whose prongs press tightly together; used to hold bobbed hair in place
 
bobsled
formerly two short sleds coupled together
 
bocce ball
wooden ball that is bowled in the Italian game of bocce
 
bodega
a small Hispanic shop selling wine and groceries
 
bodice
part of a dress above the waist
 
bodkin
a small sharp-pointed tool for punching holes in leather or fabric
 
bodkin
formerly a long hairpin; usually with an ornamental head
 
bodkin
a dagger with a slender blade
 
bodkin
a blunt needle for threading ribbon through loops
 
body
the external structure of a vehicle
 
body armor
armor that protects the wearer's whole body
 
body bag
a bag in which the body of a dead soldier is placed
 
body lotion
lotion applied to the body after bathing
 
body of work
the total output of a writer or artist (or a substantial part of it)
 
body pad
a pad worn by hockey goalkeeper
 
body plethysmograph
plethysmograph consisting of a chamber surrounding the entire body; used in studies of respiration
 
body stocking
a one-piece tight-fitting undergarment for women that covers the torso (and may have sleeves and legs)
 
body suit
a tight-fitting garment of stretchy material that covers the body from the shoulders to the thighs (and may have long sleeves or legs reaching down to the ankles); worn by ballet dancers and acrobats for practice or performance
 
body
a resonating chamber in a musical instrument (as the body of a violin)
 
bodywork
the exterior body of a motor vehicle
 
Bofors gun
an automatic double-barreled antiaircraft gun
 
bogey
an unidentified (and possibly enemy) aircraft
 
boiler
a metal pot for stewing or boiling; usually has a lid
 
boiler
sealed vessel where water is converted to steam
 
boilerplate
thick plate iron used in the production of boilers
 
boilers suit
a loose protective coverall or smock worn over ordinary clothing for dirty work
 
bola
a rope with weights attached to the ends; is thrown to entangle the legs of an animal; of South American origin
 
bola
a cord fastened around the neck with an ornamental clasp and worn as a necktie
 
bolero
a short jacket; worn mostly by women
 
bollock
a pulley-block at the head of a topmast
 
bolo
long heavy knife with a single edge; of Philippine origin
 
bologram
record or recording made by a bolometer
 
bolometer
an instrument that measures heat radiation; extremely sensitive
 
bolster
a pillow that is often put across a bed underneath the regular pillows
 
bolt
a screw that screws into a nut to form a fastener
 
bolt
a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech
 
bolt
a roll of cloth or wallpaper of a definite length
 
bolt cutter
an implement for cutting bolts
 
bolt
the part of a lock that is engaged or withdrawn with a key
 
bolus
a large pill; used especially in veterinary medicine
 
bomb
an explosive device fused to explode under specific conditions
 
bomb rack
a device on an aircraft for carrying bombs
 
bomb
strong sealed vessel for measuring heat of combustion
 
bombard
a large shawm; the bass member of the shawm family
 
bombardon
a tuba that coils over the shoulder of the musician
 
bombazine
a twilled fabric used for dresses; the warp is silk and the weft is worsted
 
bomber
a military aircraft that drops bombs during flight
 
bomber jacket
a jacket gathered into a band at the waist
 
bombie
an unexploded bomblet
 
bomblet
one of the smaller bombs that are released from a cluster bomb
 
bombshell
an explosive bomb or artillery shell
 
bombsight
a sighting device in an aircraft for aiming bombs
 
bond
a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)
 
bone china
fine porcelain that contains bone ash
 
bone-ash cup
a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
 
bones
(used in the plural) a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
 
boneshaker
any wheeled vehicle that is dilapidated and uncomfortable
 
bongo
a small drum; played with the hands
 
bonnet
protective covering consisting of a metal part that covers the engine
 
bonnet
a hat tied under the chin
 
boob tube
an electronic device that receives television signals and displays them on a screen
 
booby prize
a prize given to one who finishes last in a contest
 
booby trap
an explosive mine hidden underground; explodes when stepped on or driven over
 
book
a number of sheets (ticket or stamps etc.) bound together on one edge
 
book bag
a bag in which students carry their books
 
book matches
a paper match that strikes only on a specially prepared surface
 
book
physical objects consisting of a number of pages bound together
 
bookbindery
a bookbinder's workshop; a place for binding books
 
bookcase
a piece of furniture with shelves for storing books
 
bookend
a support placed at the end of a row of books to keep them upright (on a shelf or table)
 
bookmark
a marker (a piece of paper or ribbon) placed between the pages of a book to mark the reader's place
 
bookmobile
a van with shelves of books; serves as a mobile library or bookstore
 
bookshelf
a shelf on which to keep books
 
bookshop
a shop where books are sold
 
boom
any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
 
boom box
a portable stereo
 
boom
a pole carrying an overhead microphone projected over a film or tv set
 
boomerang
a curved piece of wood; when properly thrown will return to thrower
 
booster cable
a jumper that consists of a short piece of wire
 
booster
an amplifier for restoring the strength of a transmitted signal
 
booster
an additional dose that makes sure the first dose was effective
 
booster
the first stage of a multistage rocket
 
boot
footwear that covers the whole foot and lower leg
 
boot
protective casing for something that resembles a leg
 
boot camp
camp for training military recruits
 
boot
an instrument of torture that is used to heat or crush the foot and leg
 
bootee
a slipper that is soft and wool (for babies)
 
booth
a small shop at a fair; for selling goods or entertainment
 
booth
a table (in a restaurant or bar) surrounded by two high-backed benches
 
booth
small area set off by walls for special use
 
boothose
protective stockings worn with or in place of boots
 
bootjack
has V-shaped notch for pulling off boots
 
bootlace
a long lace for fastening boots
 
bootleg
the part of a boot above the instep
 
bootstrap
a strap that is looped and sewn to the top of a boot for pulling it on
 
Bordeaux mixture
antifungal agent consisting of a solution of copper sulphate and quicklime
 
border
a strip forming the outer edge of something
 
border
a decorative recessed or relieved surface on an edge
 
bore bit
a drill for penetrating rock
 
bore
a hole or passage made by a drill; usually made for exploratory purposes
 
boron chamber
an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
 
boron counter tube
a proportional counter tube for counting neutrons
 
borstal
formerly a British reform school for youths considered too young to send to prison
 
bosom
cloth that covers the chest or breasts
 
Bosporus Bridge
a suspension bridge across the Bosporus at Istanbul
 
boss
a circular rounded projection or protuberance
 
Boston rocker
a rocking chair that has a high spindle back and a decorative top panel
 
bota
a wine bottle made of leather
 
botanical
a drug made from part of a plant (as the bark or root or leaves)
 
bottle
a glass or plastic vessel used for storing drinks or other liquids; typically cylindrical without handles and with a narrow neck that can be plugged or capped
 
bottle bank
a place where bottles can be deposited for recycling
 
bottle cork
the plug in the mouth of a bottle (especially a wine bottle)
 
bottle opener
an opener for removing caps or corks from bottles
 
bottle screw
a bottle opener that pulls corks
 
bottle
a vessel fitted with a flexible teat and filled with milk or formula; used as a substitute for breast feeding infants and very young children
 
bottlebrush
a cylindrical brush on a thin shaft that is used to clean bottles
 
bottlecap
a cap that seals a bottle
 
bottleneck
the narrow part of a bottle near the top
 
bottling plant
a plant where beverages are put into bottles with caps
 
bottom
a cargo ship
 
boucle
a fabric of uneven yarn that has an uneven knobby effect
 
boudoir
a lady's bedroom or private sitting room
 
boule
an inlaid furniture decoration; tortoiseshell and yellow and white metal form scrolls in cabinetwork
 
bouncing betty
an antipersonnel land mine
 
bouquet
an arrangement of flowers that is usually given as a present
 
bourdon
a pipe of the bagpipe that is tuned to produce a single continuous tone
 
Bourse
the stock exchange in Paris
 
boutique
a shop that sells women's clothes and jewelry
 
boutonniere
a flower that is worn in a buttonhole
 
bow
a slightly curved piece of resilient wood with taut horsehair strands; used in playing certain stringed instruments
 
bow
a weapon for shooting arrows, composed of a curved piece of resilient wood with a taut cord to propel the arrow
 
bow
a decorative interlacing of ribbons
 
bow and arrow
a weapon consisting of arrows and the bow to shoot them
 
bow tie
a man's tie that ties in a bow
 
bow
a knot with two loops and loose ends; used to tie shoelaces
 
bow
front part of a vessel or aircraft
 
bowed stringed instrument
stringed instruments that are played with a bow
 
Bowie knife
a stout hunting knife with a single edge
 
bowl
a dish that is round and open at the top for serving foods
 
bowl
a round vessel that is open at the top; used chiefly for holding food or liquids
 
bowl
a wooden ball (with flattened sides so that it rolls on a curved course) used in the game of lawn bowling
 
bowl
a large ball with finger holes used in the sport of bowling
 
bowl
a small round container that is open at the top for holding tobacco
 
bowler
a felt hat that is round and hard with a narrow brim
 
bowline
a loop knot that neither slips nor jams
 
bowling alley
a building that contains several alleys for bowling
 
bowling equipment
equipment used in bowling
 
bowling pin
a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target
 
bowling shoe
a special shoe worn when bowling
 
bowsprit
a spar projecting from the bow of a vessel
 
bowstring
the string of an archer's bow
 
box
a (usually rectangular) container; may have a lid
 
box
separate partitioned area in a public place for a few people
 
box
any one of several designated areas on a ball field where the batter or catcher or coaches are positioned
 
box beam
a beam built up from boards; has a hollow rectangular cross section
 
box coat
a short coat that hangs loosely from the shoulders
 
box end wrench
a wrench with a closed loop (a socket) that fits over a nut or bolt head
 
box kite
a kite shaped like a box open at both ends
 
box Kodak
a simple camera shaped like a rectangular box
 
box office
the office where tickets of admission are sold
 
box pleat
a flat double pleat made by folding under the fabric on either side of it
 
box seat
a special seat in a theater or grandstand box
 
box spring
a coiled bedspring in a frame that is covered with cloth
 
box
the driver's seat on a coach
 
box
private area in a theater or grandstand where a small group can watch the performance
 
boxcar
a freight car with roof and sliding doors in the sides
 
boxers
underpants worn by men
 
boxing equipment
equipment used in boxing
 
boxing glove
boxing equipment consisting of big and padded coverings for the fists of the fighters; worn for the sport of boxing
 
boxing ring
a square ring where boxers fight
 
brace
a support that steadies or strengthens something else
 
brace
a rope on a square-rigged ship that is used to swing a yard about and secure it
 
brace and bit
a drill consisting of a bit and a brace to hold and turn it
 
brace wrench
a wrench shaped like a brace (has a handle shaped like a crank) and a socket head
 
brace
an appliance that corrects dental irregularities
 
brace
a structural member used to stiffen a framework
 
brace
elastic straps that hold trousers up (usually used in the plural)
 
bracelet
a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist
 
bracer
a tonic or restorative (especially a drink of liquor)
 
bracket
a support projecting from a wall (as to hold a shelf)
 
brad
a small nail
 
bradawl
an awl for making small holes for brads or small screws
 
braid
trimming used to decorate clothes or curtains
 
brail
a small rope (one of several) used to draw a sail in
 
brail
a small net used to draw fish into a boat
 
brainchild
a product of your creative thinking and work
 
brake
a restraint used to slow or stop a vehicle
 
brake
anything that slows or hinders a process
 
brake band
a band that can be tightened around a shaft to stop its rotation
 
brake cylinder
a cylinder that contains brake fluid that is compressed by a piston
 
brake disk
a disk or plate that is fixed to the wheel; pressure is applied to it by the brake pads
 
brake drum
a hollow cast iron cylinder attached to the wheel that forms part of the brakes
 
brake lining
the lining on the brake shoes that comes in contact with the brake drum
 
brake pad
one of the pads that apply friction to both sides of the brake disk
 
brake pedal
foot pedal that moves a piston in the master brake cylinder
 
brake shoe
a restraint provided when the brake linings are moved hydraulically against the brake drum to retard the wheel's rotation
 
brake system
a braking device consisting of a combination of interacting parts that work to slow a motor vehicle
 
branch line
a railway line connected to a trunk line
 
brand-name drug
a drug that has a trade name and is protected by a patent (can be produced and sold only by the company holding the patent)
 
branding iron
implement used to brand live stock
 
brandy glass
a globular glass with a small top; used for serving brandy
 
brasier
large metal container in which coal or charcoal is burned; warms people who must stay outside for long times
 
brass
an ornament or utensil made of brass
 
brass knuckles
(used in the plural) a small metal weapon; worn over the knuckles on the back of the hand
 
brass monkey
a metal stand that formerly held cannon balls on sailing ships
 
brass
a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece
 
brass
a memorial made of brass
 
brassard
armor plate that protects the arm
 
brasserie
a small restaurant serving beer and wine as well as food; usually cheap
 
brassie
(formerly) a golfing wood with a face more elevated that a driver but less than a spoon
 
brattice
a partition (often temporary) of planks or cloth that is used to control ventilation in a mine
 
bread board
a wooden or plastic board on which dough is kneaded or bread is sliced
 
bread knife
a knife used to cut bread
 
bread-bin
a container used to keep bread or cake in
 
breadbasket
a basket for serving bread
 
break seal
a seal that must be broken when first used and cannot easily be resealed
 
breakable
an article that is fragile and easily broken
 
breaker point
a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs
 
breaker
a device that trips like a switch and opens the circuit when overloaded
 
breakfast area
a place for light meals (usually near a kitchen)
 
breakfast table
a table where breakfast is eaten
 
breakwater
a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
 
breast drill
a portable drill with a plate that is pressed against the chest to force the drill point into the work
 
breast implant
an implant for cosmetic purposes to replace a breast that has been surgically removed
 
breast pocket
a pocket inside of a man's coat
 
breastpin
a decorative pin worn by women
 
breastwork
fortification consisting of a low wall
 
breathalyser
a device that measures chemicals (especially the alcohol content) in a person's expired breath
 
breather
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
 
breathing apparatus
a device that facilitates breathing in cases of respiratory failure
 
breech closer
a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
 
breech
opening in the rear of the barrel of a gun where bullets can be loaded
 
breechcloth
a garment that provides covering for the loins
 
breeches buoy
a life buoy in the form of a ring with short breeches for support; used to transfer people from a ship
 
breeches
(used in the plural) trousers ending above the knee
 
breechloader
a gun that is loaded at the breech
 
breeder reactor
a nuclear reactor that produces more fissile material than it burns
 
breeze block
a light concrete building block made with cinder aggregate
 
Bren gun
a submachine gun operated by gas pressure; used by the British in World War II
 
Brevibloc
intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias
 
brewery
a plant where beer is brewed by fermentation
 
brewpub
a combination brewery and restaurant; beer is brewed for consumption on the premises and served along with food
 
briar
a pipe made from the root (briarroot) of the tree heath
 
bric-a-brac
miscellaneous curios
 
brick
rectangular block of clay baked by the sun or in a kiln; used as a building or paving material
 
brick trowel
a trowel used in masonry
 
brickfield
a place where bricks are made and sold
 
brickkiln
a kiln for making bricks
 
bricklayer's hammer
a hammer used in laying bricks
 
brickwork
masonry done with bricks and mortar
 
bridal gown
a gown worn by the bride at a wedding
 
bridge
a wooden support that holds the strings up
 
bridge
a circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected
 
bridge
an upper deck where a ship is steered and the captain stands
 
bridge
a denture anchored to teeth on either side of missing teeth
 
bridge
the link between two lenses; rests on the nose
 
bridge
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
 
bridged-T
a circuit consisting of a T-network with an additional shunt bridging the two series circuits
 
bridle
headgear for a horse; includes a headstall and bit and reins to give the rider or driver control
 
bridle path
a path suitable for riding or leading horses (but not for cars)
 
bridoon
a bit resembling a snaffle bit; used with a separate curb
 
briefcase
a case with a handle; for carrying papers or files or books
 
briefcase bomb
a bomb consisting of an explosive and timer hidden inside a briefcase
 
briefcase computer
a portable computer housed in a box that resembles a briefcase
 
brig
a penal institution (especially on board a ship)
 
brig
two-masted sailing vessel square-rigged on both masts
 
brigandine
a medieval coat of chain mail consisting of metal rings sewn onto leather or cloth
 
brigantine
two-masted sailing vessel square-rigged on the foremast and fore-and-aft rigged on the mainmast
 
brilliant pebble
a code name for a small computerized heat-seeking missile that was supposed to intercept and destroy enemy missiles
 
brilliantine
a pomade to make the hair manageable and lustrous
 
brim
a circular projection that sticks outward from the crown of a hat
 
brim
the top edge of a vessel or other container
 
briquet
a block made from charcoal or coal dust and burned as fuel
 
bristle
a stiff fiber (coarse hair or filament); natural or synthetic
 
bristle brush
a brush that is made with the short stiff hairs of an animal or plant
 
britches
(used in the plural) informal term for breeches
 
broad arrow
an arrow with a wide barbed head
 
broad gauge
a railroad track (or its width) broader than the standard 56.5 inches
 
broad hatchet
a short-handled hatchet with a broad blade opposite a hammerhead
 
broadax
a large ax with a broad cutting blade
 
broadcast station
a station equipped to broadcast radio or television programs
 
broadcaster
a mechanical device for scattering something (seed or fertilizer or sand etc.) in all directions
 
broadcasting studio
a studio where broadcasts originate
 
broadcloth
a closely woven silk or synthetic fabric with a narrow crosswise rib
 
broadcloth
a densely textured woolen fabric with a lustrous finish
 
broadloom
a carpet woven on a wide loom to obviate the need for seams
 
broadside
the whole side of a vessel from stem to stern
 
broadside
all of the armament that is fired from one side of a warship
 
broadsword
a sword with a broad blade and (usually) two cutting edges; used to cut rather than stab
 
brocade
thick heavy expensive material with a raised pattern
 
brochette
a small spit or skewer
 
brogan
a thick and heavy shoe
 
broiler
an oven or part of a stove used for broiling
 
broken arch
an arch with a gap at the apex; the gap is usually filled with some decoration
 
brokerage
place where a broker conducts his business
 
brolly
colloquial terms for an umbrella
 
bronchodilator
a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
 
bronchoscope
a slender tubular instrument used to examine the bronchial tubes
 
Bronx-Whitestone Bridge
a suspension bridge across the East River in New York City
 
bronze
a sculpture made of bronze
 
bronze medal
a trophy made of bronze (or having the appearance of bronze) that is usually awarded for winning third place in a competition
 
brooder
apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
 
Brooklyn Bridge
a suspension bridge across the East River in New York City; opened in 1883
 
broom
a cleaning implement for sweeping; bundle of straws or twigs attached to a long handle
 
broom closet
a small room for storing brooms and other cleaning equipment
 
broom handle
the handle of a broom
 
brougham
a sedan that has no roof over the driver's seat
 
brougham
light carriage; pulled by a single horse
 
Brown University
a university in Rhode Island
 
Browning automatic rifle
a portable .30 caliber automatic rifle operated by gas pressure and fed by cartridges from a magazine; used by United States troops in World War I and in World War II and in the Korean War
 
Browning machine gun
a belt-fed machine gun capable of firing more than 500 rounds per minute; used by United States troops in World War II and the Korean War
 
brownstone
a row house built of brownstone; reddish brown in color
 
brunch coat
a woman's short housecoat or wrapper
 
brush
an implement that has hairs or bristles firmly set into a handle
 
brush
conducts current between rotating and stationary parts of a generator or motor
 
Brussels carpet
a carpet with a strong linen warp and a heavy pile of colored woolen yarns drawn up in uncut loops to form a pattern
 
Brussels lace
fine lace with a raised or applique design
 
bubble
a dome-shaped covering made of transparent glass or plastic
 
bubble chamber
an instrument that records the tracks of ionizing particles
 
bubble jet printer
a kind of ink-jet printer
 
bubbler
any of various devices in which air or some other gas is bubbled through a liquid
 
bubbler
a public fountain to provide a jet of drinking water
 
Buchenwald
a Nazi concentration camp for Jews in World War II that was located in central Germany
 
buck
a framework for holding wood that is being sawed
 
buck
a gymnastic horse without pommels and with one end elongated; used lengthwise for vaulting
 
buckboard
an open horse-drawn carriage with four wheels; has a seat attached to a flexible board between the two axles
 
bucket seat
a low single seat as in cars or planes
 
bucket shop
(formerly) a cheap saloon selling liquor by the bucket
 
bucket
a roughly cylindrical vessel that is open at the top
 
buckle
fastener that fastens together two ends of a belt or strap; often has loose prong
 
buckler
armor carried on the arm to intercept blows
 
buckram
a coarse cotton fabric stiffened with glue; used in bookbinding and to stiffen clothing
 
bucksaw
a saw that is set in a frame in the shape of an H; used with both hands to cut wood that is held in a sawbuck
 
buckskins
(used in the plural) breeches made of buckskin
 
buff
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
 
buffer
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
 
buffer
an inclined metal frame at the front of a locomotive to clear the track
 
buffer
a cushion-like device that reduces shock due to an impact
 
buffer
a power tool used to buff surfaces
 
Bufferin
aspirin coated with a substance capable of neutralizing acid (trade name Bufferin)
 
buffet car
a passenger car where food is served in transit
 
buffet
a piece of furniture that stands at the side of a dining room; has shelves and drawers
 
buffet
usually inexpensive bar
 
buffing wheel
a wheel that is covered with soft material
 
bug
a small hidden microphone; for listening secretly
 
buggy whip
a horsewhip once used by a driver of a buggy
 
buggy
a small lightweight carriage; drawn by a single horse
 
bugle
a brass instrument without valves; used for military calls and fanfares
 
bugle
a tubular glass or plastic bead sewn onto clothing for decoration
 
building block
a block of material used in construction work
 
building complex
a whole structure (as a building) made up of interconnected or related structures
 
building supply house
a store where builders can purchase materials for building houses and related structures
 
building
a structure that has a roof and walls and stands more or less permanently in one place
 
built-in bed
a bed that is built in and fixed to a wall
 
built-soap powder
soap in powdered form mixed with alkaline builders
 
bulb
a rounded part of a cylindrical instrument (usually at one end)
 
bulb
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
 
bulkhead
a partition that divides a ship or plane into compartments
 
bull tongue
a heavy plow with a single wide blade; used chiefly in cotton fields
 
bull's-eye
a lantern with a single opening and a sliding panel that can be closed to conceal the light
 
bulla
the round leaden seal affixed to a papal bull
 
bulldog wrench
a wrench designed to provide a firm grip on something
 
bulldozer
large powerful tractor; a large blade in front flattens areas of ground
 
bullet
a high-speed passenger train
 
bullet
a projectile that is fired from a gun
 
bulletin board
a board that hangs on a wall; displays announcements
 
bulletproof vest
a vest capable of resisting the impact of a bullet
 
bullfight
a Spanish or Portuguese or Latin American spectacle; a matador baits and (usually) kills a bull in an arena before many spectators
 
bullhorn
a portable loudspeaker with built-in microphone and amplifier
 
bullion
gold or silver in bars or ingots
 
bullnose
a small carpenter's plane with the cutting edge near the front
 
bullpen
a place on a baseball field where relief pitchers can warm up during a game
 
bullpen
a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily
 
bullring
a stadium where bullfights take place
 
bulwark
a fencelike structure around a deck (usually plural)
 
bulwark
an embankment built around a space for defensive purposes
 
bumboat
a small boat that ferries supplies and commodities for sale to a larger ship at anchor
 
bumper
a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage
 
bumper
a glass filled to the brim (especially as a toast)
 
bumper guard
vertical bars attached to a bumper to prevent locking bumpers with another vehicle
 
bumper jack
a jack for lifting a motor vehicle by the bumper
 
bundle
a package of several things tied together for carrying or storing
 
bung
a plug used to close a hole in a barrel or flask
 
bungalow
a small house with a single story
 
bungee
an elasticized rope
 
bunghole
a hole in a barrel or cask; used to fill or empty it
 
bunk
a rough bed (as at a campsite)
 
bunk
beds built one above the other
 
bunk
a long trough for feeding cattle
 
bunker
a large container for storing fuel
 
bunker
a fortification of earth; mostly or entirely below ground
 
bunker
a hazard on a golf course
 
bunsen
a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air
 
bunting
a loosely woven fabric used for flags, etc.
 
bur
small bit used in dentistry or surgery
 
Burberry
a lightweight belted raincoat typically made of tan gabardine with a distinctive tartan lining; named for the original manufacturer
 
burden
weight to be borne or conveyed
 
bureau
furniture with drawers for keeping clothes
 
buret
measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration
 
burglar alarm
a warning device that is tripped off by the occurrence of a burglary
 
burial chamber
a chamber that is used as a grave
 
burial garment
cloth used to cover a corpse in preparation for burial
 
burial vault
a burial chamber (usually underground)
 
burin
a chisel of tempered steel with a sharp point; used for engraving
 
burka
a loose garment (usually with veiled holes for the eyes) worn by Muslim women especially in India and Pakistan
 
burlap bag
a bag made of burlap
 
burlap
coarse jute fabric
 
burn bag
a bag into which secret documents are placed before being burned
 
burn center
a center where patients with severe burns can be treated
 
burner
an apparatus for burning fuel (or refuse)
 
burner
the heating elements of a stove or range on which pots and pans are placed for cooking
 
burnoose
a long hooded cloak woven of wool in one piece; worn by Arabs and Moors
 
burp gun
a fully automatic pistol; a small submachine gun
 
burr
rough projection left on a workpiece after drilling or cutting
 
burr
rotary file for smoothing rough edges left on a workpiece
 
burr drill
a high speed drill that dentists use to cut into teeth
 
burster
a quantity of explosive to be set off at one time
 
bursting explosive
a high explosive that is used to damage the target that is under attack
 
burthen
a variant of `burden'
 
bus depot
a terminal that serves bus passengers
 
bus lane
a traffic lane intended for buses only
 
bus line
an organization responsible for operating a bus transportation system
 
bus
an electrical conductor that makes a common connection between several circuits
 
bus
a car that is old and unreliable
 
bush jacket
a loose fitting jacket; resembles a shirt with four patch pockets and a belt
 
bushel basket
a basket large enough to hold a bushel
 
bushing
an insulating liner in an opening through which conductors pass
 
bushing
a cylindrical metal lining used to reduce friction
 
business establishment
an establishment (a factory or an assembly plant or retail store or warehouse etc.) where business is conducted, goods are made or stored or processed or where services are rendered
 
business line
a particular kind of product or merchandise
 
business office
place of business where professional or clerical duties are performed
 
business suit
a suit of clothes traditionally worn by businessmen
 
buskin
a boot reaching halfway up to the knee
 
BuSpar
a drug (trade name BuSpar) designed specifically for anxiety
 
bust
a sculpture of the head and shoulders of a person
 
bustier
a close-fitting and strapless top without sleeves that is worn by women either as lingerie or for evening dress
 
bustle
a framework worn at the back below the waist for giving fullness to a woman's skirt
 
butacaine
a white crystalline ester that is applied to mucous membranes as a local anesthetic
 
Butazolidin
anti-inflammatory drug (trade name Butazolidin)
 
butcher block
a thick wooden slab formed by bonding together thick laminated strips of unpainted hardwood
 
butcher knife
a large sharp knife for cutting or trimming meat
 
butcher shop
a shop in which meat and poultry (and sometimes fish) are sold
 
butt
a large cask (especially one holding a volume equivalent to 2 hogsheads or 126 gallons)
 
butt hinge
a hinge mortised flush into the edge of the door and jamb
 
butt pack
a waist pack worn with the pouch in back
 
butt shaft
a blunt arrow without a barb; an arrow used for target practice
 
butt weld
a butt joint that is welded
 
butt
thick end of the handle
 
butt
a joint made by fastening ends together without overlapping
 
butt
finely ground tobacco wrapped in paper; for smoking
 
butt
the small unused part of something (especially the end of a cigarette that is left after smoking)
 
butt
sports equipment consisting of an object set up for a marksman or archer to aim at
 
butter churn
a vessel in which cream is agitated to separate butterfat from buttermilk
 
butter dish
a small dish (often with a cover) for holding butter at the table
 
butter knife
a small knife with a dull blade; for cutting or spreading butter
 
butterfly nut
a threaded nut with winglike projections for thumb and forefinger leverage in turning
 
butterfly valve
a valve in a carburetor that consists of a disc that turns and acts as a throttle
 
buttery
a teashop where students in British universities can purchase light meals
 
buttery
a small storeroom for storing foods or wines
 
button
a round fastener sewn to shirts and coats etc to fit through buttonholes
 
button
any artifact that resembles a button
 
button accordion
an accordion with buttons rather than keys
 
button hole
a hole through which buttons are pushed
 
button
an electrical switch operated by pressing
 
button
a device that when pressed will release part of a mechanism
 
buttonhole stitch
a reinforcing looped stitch for edges, as around a buttonhole
 
buttonhook
a hook for pulling a button through a buttonhole
 
buttress
a support usually of stone or brick; supports the wall of a building
 
butyl nitrite
a colorless pungent liquid sometimes used as a stimulant drug by drug abusers
 
buzz saw
a power saw that has a steel disk with cutting teeth on the periphery; rotates on a spindle
 
buzzer
a signaling device that makes a buzzing sound
 
BVD's
trademark for men's underwear
 
BWR
a nuclear reactor that uses water as a coolant and moderator; the water boils in the reactor core and the steam produced can drive a steam turbine
 
bypass capacitor
a capacitor that provides low impedance over certain (high) frequencies
 
bypass
a conductor having low resistance in parallel with another device to divert a fraction of the current
 
bypath
a side road little traveled (as in the countryside)
 
byproduct
a product made during the manufacture of something else
 
byre
a barn for cows
 
byrnie
a long (usually sleeveless) tunic of chain mail formerly worn as defensive armor
 
C
street names for cocaine
 
C battery
battery used to maintain the grid potential in a vacuum tube
 
C-clamp
a clamp in the shape of the letter C
 
C.P.U.
(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
 
cab
a compartment at the front of a motor vehicle or locomotive where driver sits
 
cab
small two-wheeled horse-drawn carriage; with two seats and a folding hood
 
cab
a car driven by a person whose job is to take passengers where they want to go in exchange for money
 
cabana
a small tent used as a dressing room beside the sea or a swimming pool
 
cabaret
a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink
 
cabasset
a metal helmet worn by common soldiers in the 16th century
 
caber
a heavy wooden pole (such as the trunk of a young fir) that is tossed as a test of strength (in the Highlands of northern Scotland)
 
cabin
the enclosed compartment of an aircraft or spacecraft where passengers are carried
 
cabin
small room on a ship or boat where people sleep
 
cabin
a small house built of wood; usually in a wooded area
 
cabin car
a car on a freight train for use of the train crew; usually the last car on the train
 
cabin class
a class of accommodations on a ship or train or plane that are less expensive than first class accommodations
 
cabin cruiser
a large motorboat that has a cabin and plumbing and other conveniences necessary for living on board
 
cabin liner
a liner with cabins for passengers
 
cabinet
a piece of furniture resembling a cupboard with doors and shelves and drawers; for storage or display
 
cabinet
housing for electronic instruments, as radio or television
 
cabinet
a storage compartment for clothes and valuables; usually it has a lock
 
cabinetwork
woodwork finished by hand by a cabinetmaker
 
cable
a very strong thick rope made of twisted hemp or steel wire
 
cable car
a conveyance for passengers or freight on a cable railway
 
cable railway
a railway up the side of a mountain pulled by a moving cable and having counterbalancing ascending and descending cars
 
cable
a television system that transmits over cables
 
cable
a conductor for transmitting electrical or optical signals or electric power
 
caboose
the area for food preparation on a ship
 
cache
a hidden storage space (for money or provisions or weapons)
 
cache
(computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated; used to optimize data transfers between system elements with different characteristics
 
cachet
a seal on a letter
 
caddy
a can for storing tea
 
caesium clock
an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
 
cafe
a small restaurant where drinks and snacks are sold
 
cafeteria
a restaurant where you serve yourself and pay a cashier
 
cafeteria facility
(usually plural) facilities for providing food for employees or visitors
 
cafeteria tray
a tray for carrying your food in a cafeteria
 
caff
informal British term for a cafe
 
caftan
a (cotton or silk) cloak with full sleeves and sash reaching down to the ankles; worn by men in the Levant
 
caftan
a woman's dress style that imitates the caftan cloaks worn by men in the Near East
 
cage
the net that is the goal in ice hockey
 
cage
an enclosure made or wire or metal bars in which birds or animals can be kept
 
cagoule
lightweight parka; waterproof
 
caisson
a two-wheeled military vehicle carrying artillery ammunition
 
caisson
an ornamental sunken panel in a ceiling or dome
 
caisson
large watertight chamber used for construction under water
 
calabash
a pipe for smoking; has a curved stem and a large bowl made from a calabash gourd
 
calabash
bottle made from the dried shell of a bottle gourd
 
calamine lotion
a lotion consisting of a liquid preparation containing calamine; used to treat itching or mild skin irritations
 
calash
the folding hood of a horse-drawn carriage
 
calash
a woman's large folded hooped hood; worn in the 18th century
 
calceus
a shoe covering the ankle; worn by ancient Romans
 
calcimine
a water-base paint containing zinc oxide and glue and coloring; used as a wash for walls and ceilings
 
calcium blocker
any of a class of drugs that block the flow of the electrolyte calcium (either in nerve cell conduction or smooth muscle contraction of the heart); has been used in the treatment of angina or arrhythmia or hypertension or migraine
 
calcium light
a lamp consisting of a flame directed at a cylinder of lime with a lens to concentrate the light; formerly used for stage lighting
 
calculating machine
a small machine that is used for mathematical calculations; can be mechanical or electronic
 
caldron
a very large pot that is used for boiling
 
calean
an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water
 
Caledonian Canal
a canal in northern Scotland that links North Sea with the Atlantic Ocean; runs diagonally between Moray Firth at the northeastern end and Loch Linnhe at the southwestern end; now little used
 
calender
a machine that smooths or glazes paper or cloth by pressing it between plates or passing it through rollers
 
calico
coarse cloth with a bright print
 
caliper
an instrument for measuring the distance between two points (often used in the plural)
 
calk
a metal cleat on the bottom front of a horseshoe to prevent slipping
 
call box
booth for using a telephone
 
call center
a center equipped to handle a large volume of telephone calls (especially for taking orders or serving customers)
 
call-board
a bulletin board backstage in a theater
 
caller ID
a small display that will show you the telephone number of the party calling you
 
calliope
a musical instrument consisting of a series of steam whistles played from a keyboard
 
Caloosahatchee Canal
a canal that connects Lake Okeechobee with the Caloosahatchee River in southern Florida to form part of the Cross-Florida Waterway
 
calorimeter
a measuring instrument that determines quantities of heat
 
calpac
a high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus
 
calumet
a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)
 
cam
a rotating disk shaped to convert circular into linear motion
 
camber arch
an arch with a straight horizontal extrados and a slightly arched intrados
 
cambric
a finely woven white linen
 
Cambridge University
a university in England
 
camcorder
a portable television camera and videocassette recorder
 
camelhair
a soft tan cloth made with the hair of a camel
 
cameo
engraving or carving in low relief on a stone (as in a brooch or ring)
 
camera lens
a lens that focuses the image in a camera
 
camera lucida
an optical device consisting of an attachment that enables an observer to view simultaneously the image and a drawing surface for sketching it
 
camera obscura
a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface
 
camera tripod
a tripod used to support a camera
 
camera
equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
 
camera
television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
 
camion
a low heavy horse cart without sides; used for haulage
 
camion
a large truck designed to carry heavy loads; usually without sides
 
camise
a loose shirt or tunic; originally worn in the Middle Ages
 
camisole
a short negligee
 
camisole
a short sleeveless undergarment for women
 
camlet
a fabric of Asian origin; originally made of silk and camel's hair
 
camlet
a garment made of camlet fabric
 
camo
fabric dyed with splotches of green and brown and black and tan; intended to make the wearer of a garment made of this fabric hard to distinguish from the background
 
camouflage
device or stratagem for concealment or deceit
 
camp
temporary lodgings in the country for travelers or vacationers
 
camp
a penal institution (often for forced labor)
 
camp bed
a small bed that folds up for storage or transport
 
camp chair
a light folding chair
 
camp
shelter for persons displaced by war or political oppression or for religious beliefs
 
camp
a site where care and activities are provided for children during the summer months
 
campaign hat
a broad-brimmed felt hat with a high crown; formerly worn by the United States Army and Marine personnel
 
camper trailer
a trailer equipped for occupancy (especially for holiday trips)
 
camper
a recreational vehicle equipped for camping out while traveling
 
camphor ball
a small sphere of camphor or naphthalene used to keep moths away from stored clothing
 
camphor ice
a cerate made of camphor and wax and spermaceti and castor oil
 
camphorated tincture of opium
medicine used to treat diarrhea
 
campstool
a folding stool
 
camshaft
an engine shaft with cams attached to it
 
can opener
a device for cutting cans open
 
can
a plumbing fixture for defecation and urination
 
can
airtight sealed metal container for food or drink or paint etc.
 
canal
long and narrow strip of water made for boats or for irrigation
 
canal boat
a long boat that carries freight and is narrow enough to be used in canals
 
candelabra
branched candlestick; ornamental; has several lights
 
candid camera
a miniature camera with a fast lens
 
candle holder
a holder with sockets for candles
 
candle
stick of wax with a wick in the middle
 
candlepin
a bowling pin that is thin by comparison with a tenpin
 
candlesnuffer
an implement with a small cup at the end of a handle; used to extinguish the flame of a candle
 
candlewick
the wick of a candle
 
candlewick
loops of soft yarn are cut to give a tufted pattern
 
candy store
a confectioner's shop
 
candy thermometer
a thermometer used to determine the temperature of candy syrups during cooking
 
cane
a stiff switch used to hit students as punishment
 
cane
a stick that people can lean on to help them walk
 
cangue
an instrument of punishment formerly used in China for petty criminals; consists of a heavy wooden collar enclosing the neck and arms
 
caning
work made of interlaced slender branches (especially willow branches)
 
canister
a metallic cylinder packed with shot and used as ammunition in a firearm
 
canister
metal container for storing dry foods such as tea or flour
 
cannabis
the most commonly used illicit drug; considered a soft drug, it consists of the dried leaves of the hemp plant; smoked or chewed for euphoric effect
 
cannery
a factory where food is canned
 
cannikin
a small can
 
cannikin
a wooden bucket
 
cannon
a large artillery gun that is usually on wheels
 
cannon
heavy automatic gun fired from an airplane
 
cannon
(Middle Ages) a cylindrical piece of armor plate to protect the arm
 
cannon
heavy gun fired from a tank
 
cannon ball
a solid projectile that in former times was fired from a cannon
 
cannon cracker
a large firecracker
 
cannula
a small flexible tube inserted into a body cavity for draining off fluid or introducing medication
 
canoe
small and light boat; pointed at both ends; propelled with a paddle
 
canopic jar
a jar used in ancient Egypt to contain entrails of an embalmed body
 
canopy
a covering (usually of cloth) that serves as a roof to shelter an area from the weather
 
canopy
the umbrellalike part of a parachute that fills with air
 
canopy
the transparent covering of an aircraft cockpit
 
cant dog
a stout lever with a sharp spike; used for handling logs
 
cant hook
a peavey having a hook instead of a spike; used for handling logs
 
canteen
sells food and personal items to personnel at an institution or school or camp etc.
 
canteen
a flask for carrying water; used by soldiers or travelers
 
canteen
restaurant in a factory; where workers can eat
 
canteen
a recreation room in an institution
 
canteen
a restaurant outside; often for soldiers or policemen
 
cantilever
projecting horizontal beam fixed at one end only
 
cantilever bridge
bridge constructed of two cantilevers that meet in the middle
 
cantle
the back of a saddle seat
 
Canton crepe
a soft thick crinkled dress crepe; heavier than crepe de Chine
 
Canton flannel
a stout cotton fabric with nap on only one side
 
canvas
a tent made of canvas fabric
 
canvas
a heavy, closely woven fabric (used for clothing or chairs or sails or tents)
 
canvas
the mat that forms the floor of the ring in which boxers or professional wrestlers compete
 
canvas
an oil painting on canvas fabric
 
canvas
a large piece of fabric (usually canvas fabric) by means of which wind is used to propel a sailing vessel
 
cap
a tight-fitting headdress
 
cap
a top (as for a bottle)
 
cap
something serving as a cover or protection
 
cap opener
a bottle opener to pry off caps
 
cap screw
a threaded screw for machine parts; screws into a tapped hole
 
cap
the upper part of a column that supports the entablature
 
cap
(dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
 
cap
a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive
 
capacitance
an electrical device characterized by its capacity to store an electric charge
 
capacitor microphone
microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves
 
caparison
stable gear consisting of a decorated covering for a horse, especially (formerly) for a warhorse
 
cape
a sleeveless garment like a cloak but shorter
 
capeline bandage
bandage that covers the head or an amputation stump like a cap
 
capillary
a tube of small internal diameter; holds liquid by capillary action
 
capital ship
a warship of the first rank in size and armament
 
capitol
a building occupied by a state legislature
 
Capitol Building
the government building in Washington where the United States Senate and the House of Representatives meet
 
capote
a long cloak with a hood that can be pulled over the head
 
capote
a long overcoat with a hood that can be pulled over the head
 
Capoten
a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure
 
capstan
a windlass rotated in a horizontal plane around a vertical axis; used on ships for weighing anchor or raising heavy sails
 
capstone
a stone that forms the top of wall or building
 
capsule
a pill in the form of a small rounded gelatinous container with medicine inside
 
capsule
a small container
 
capsule
a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute
 
capsule
a spacecraft designed to transport people and support human life in outer space
 
captain's chair
a wooden armchair with a saddle seat and a low back that has vertical spindles
 
capuchin
a hooded cloak for women
 
car bomb
a bomb placed in a car and wired to explode when the ignition is started or by remote control or by a timing device
 
car carrier
a trailer that can be loaded with new cars for delivery to sales agencies
 
car door
the door of a car
 
car mirror
a mirror that the driver of a car can use
 
car port
garage for one or two cars consisting of a flat roof supported on poles
 
car seat
a seat in a car
 
car train
a train that transports passengers and their automobiles
 
car transporter
a long truck for carrying motor vehicles
 
car wheel
a wheel that has a tire and rim and hubcap; used to propel the car
 
car window
a window in a car
 
car
where passengers ride up and down
 
car
the compartment that is suspended from an airship and that carries personnel and the cargo and the power plant
 
car
a wheeled vehicle adapted to the rails of railroad
 
car-ferry
a ferry that transports motor vehicles
 
carabiner
an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes
 
carack
a large galleon sailed in the Mediterranean as a merchantman
 
Carafate
medicine consisting of a tablet (trade name Carafate) used to treat peptic ulcers; said to bind to the ulcer site and coat it
 
carafe
a bottle with a stopper; for serving wine or water
 
caravan inn
an inn in some eastern countries with a large courtyard that provides accommodation for caravans
 
caravan
a camper equipped with living quarters
 
carbine
light automatic rifle
 
carbomycin
a colorless basic antibiotic that inhibits the growth of Gram-positive organisms
 
carbon arc
has carbon electrodes
 
carbon dichloride
anthelmintic agent used against hookworm and other nematodes
 
carbon
a copy made with carbon paper
 
carboy
a large bottle for holding corrosive liquids; usually cushioned in a special container
 
carburetor
mixes air with gasoline vapor prior to explosion
 
card
one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes
 
card catalog
an alphabetical listing of items (e.g., books in a library) with a separate card for each item
 
card table
a small light table with folding legs; can be folded for storage
 
card table
a table for playing cards (as in a casino)
 
cardcase
a small case for carrying business cards
 
cardcastle
an unstable construction with playing cards
 
cardiac monitor
a piece of electronic equipment for continual observation of the function of the heart
 
cardigan
knitted jacket that is fastened up the front with buttons or a zipper
 
cardiograph
medical instrument that records electric currents associated with contractions of the heart
 
cardioid microphone
a directional microphone with a cardioid pattern of sensitivity
 
Cardizem
a calcium blocker (trade name Cardizem) used in treating hypertension or angina or heart failure
 
cardroom
a room for gambling on card games
 
Cardura
an antihypertensive drug (trade name Cardura) that works by relaxing blood vessels so that blood passes through them more easily; it is also used to treat benign prostatic hyperplasia
 
cargo area
the space in a ship or aircraft for storing cargo
 
cargo container
a large container for freight
 
cargo door
door used to load or unload cargo
 
cargo hatch
hatch opening into the cargo compartment
 
cargo helicopter
a helicopter that carries cargo
 
cargo liner
a liner that carries cargo
 
cargo ship
a ship designed to carry cargo
 
cargo ships
conveyance provided by the ships belonging to one country or industry
 
cargo
goods carried by a large vehicle
 
carillon
set of bells hung in a bell tower
 
Carling float
a raft to use if a ship must be abandoned in an emergency
 
carminative
medication that prevents the formation of gas in the alimentary tract or eases its passing
 
Carnegie Mellon University
an engineering university in Pittsburgh
 
caroche
a luxurious carriage suitable for nobility in the 16th and 17th century
 
carousel
a conveyer belt that carries luggage to be claimed by air travelers
 
carousel
a large, rotating machine with seats for children to ride or amusement
 
carpenter's hammer
a hammer with a cleft at one end for pulling nails
 
carpenter's kit
a set of carpenter's tools
 
carpenter's level
a straight bar of light metal with a spirit level in it
 
carpenter's mallet
a short-handled mallet with a wooden head used to strike a chisel or wedge
 
carpenter's plane
a carpenter's hand tool with an adjustable blade for smoothing or shaping wood
 
carpenter's rule
a rule used by a carpenter
 
carpenter's saw
a saw used with one hand for cutting wood
 
carpenter's square
a steel square used by carpenters; larger than a try square
 
carpet beater
implement for beating dust out of carpets
 
carpet loom
a loom for weaving carpeting
 
carpet pad
a pad placed under a carpet
 
carpet slipper
low footwear that can be slipped on and off easily; usually worn indoors
 
carpet sweeper
a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet
 
carpet tack
a tack used to nail down carpets
 
carpet
floor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
 
carpetbag
traveling bag made of carpet; widely used in 19th century
 
carrefour
a junction where one street or road crosses another
 
carrel
small individual study area in a library
 
carriage
a machine part that carries something else
 
carriage bolt
a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled
 
carriage house
a small building for housing coaches and carriages and other vehicles
 
carriage wrench
a wrench designed for use with carriage bolts
 
carriage
a railcar where passengers ride
 
carriage
a vehicle with wheels drawn by one or more horses
 
carriageway
one of the two sides of a motorway where traffic travels in one direction only usually in two or three lanes
 
carrick bend
a knot used to connect the ends of two large ropes or hawsers
 
carrick bitt
either of a pair of strong posts that support a windlass on a ship's deck
 
carrier
a rack attached to a vehicle; for carrying luggage or skis or the like
 
carrier
a self-propelled wheeled vehicle designed specifically to carry something
 
carrier bag
a bag made of paper or plastic for holding customer's purchases
 
carron oil
an ointment formerly used to treat burns
 
carryall
a capacious bag or basket
 
carrycot
box-shaped baby bed with handles (for a baby to sleep in while being carried)
 
cart
a heavy open wagon usually having two wheels and drawn by an animal
 
cart track
any road or path affording passage especially a rough one
 
cart
wheeled vehicle that can be pushed by a person; may have one or two or four wheels
 
carton
a box made of cardboard; opens by flaps on top
 
cartouch
a cartridge (usually with paper casing)
 
cartridge
a module designed to be inserted into a larger piece of equipment
 
cartridge
ammunition consisting of a cylindrical casing containing an explosive charge and a bullet; fired from a rifle or handgun
 
cartridge belt
a broad belt with loops or pockets for holding ammunition
 
cartridge clip
a metal frame or container holding cartridges; can be inserted into an automatic gun
 
cartridge ejector
a mechanism in a firearm that ejects the empty shell case after firing
 
cartridge extractor
a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector
 
cartridge fuse
a fuse cased in a tube
 
cartridge
a light-tight supply chamber holding the film and supplying it for exposure as required
 
cartridge
an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
 
cartwheel
a wheel that has wooden spokes and a metal rim
 
carvedilol
beta blocker that can reduce the progression of heart failure in individuals whose disease is not advanced
 
carving
a sculpture created by removing material (as wood or ivory or stone) in order to create a desired shape
 
carving fork
a large fork used in carving cooked meat
 
carving knife
a large knife used to carve cooked meat
 
caryatid
a supporting column carved in the shape of a person
 
cascabel
a bell attached to a sleigh, or to the harness of a horse that is pulling a sleigh
 
cascade liquefier
an apparatus used to liquefy air or oxygen etc.
 
cascade transformer
a number of transformers in series; provides a high-voltage source
 
case
a portable container for carrying several objects
 
case knife
a metal blade with a handle; used as cutlery
 
case knife
a knife with a fixed blade that is carried in a sheath
 
case
the enclosing frame around a door or window opening
 
case
the housing or outer covering of something
 
case
(printing) the receptacle in which a compositor has his type, which is divided into compartments for the different letters, spaces, or numbers
 
case
a glass container used to store and display items in a shop or museum or home
 
case
bed linen consisting of a cover for a pillow
 
casein
a water-base paint made with a protein precipitated from milk
 
casement
a window sash that is hinged (usually on one side)
 
casement window
a window with one or more casements
 
casern
military barracks in a garrison town
 
cash bar
a counter at a large party where you can purchase drinks by the glass
 
cash register
a cashbox with an adding machine to register transactions; used in shops to add up the bill
 
cashbox
a strongbox for holding cash
 
cashmere
a soft fabric made from the wool of the Cashmere goat
 
casing
the outermost covering of a pneumatic tire
 
casino
a public building for gambling and entertainment
 
casino-hotel
a building that houses both a hotel and a casino
 
casino-hotel
a business establishment that combines a casino and a hotel
 
casket
box in which a corpse is buried or cremated
 
casket
small and often ornate box for holding jewels or other valuables
 
casque
(15-16th century) any armor for the head; usually ornate without a visor
 
casquet
a light open casque without a visor or beaver
 
Cassegrainian telescope
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
 
casserole
large deep dish in which food can be cooked and served
 
cassette
a container that holds a magnetic tape used for recording or playing sound or video
 
cassette deck
a tape deck for playing and recording cassette tapes
 
cassette player
electronic equipment for playing cassettes
 
cassette recorder
a recorder for recording or playing cassettes
 
cassette tape
a cassette that contains magnetic tape
 
cassock
a black garment reaching down to the ankles; worn by priests or choristers
 
cast
object formed by a mold
 
cast
container into which liquid is poured to create a given shape when it hardens
 
cast
bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
 
caster
a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
 
caster
a shaker with a perforated top for sprinkling powdered sugar
 
castile soap
a good hard soap made from olive oil and sodium hydroxide
 
castle
a large building formerly occupied by a ruler and fortified against attack
 
castle
a large and stately mansion
 
castle
(chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
 
castor oil
a purgative extracted from the seed of the castor-oil plant; used in paint and varnish as well as medically
 
cat box
a receptacle for cat excrement
 
cat cracker
a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
 
cat rig
rig of a catboat
 
CAT scan
an image produced by scanning
 
CAT scanner
a tomograph that constructs a 3-D model of an object by combining parallel planes
 
cat's-paw
a hitch in the middle of rope that has two eyes into which tackle can be hooked
 
cat
a whip with nine knotted cords
 
catacomb
an underground tunnel with recesses where bodies were buried (as in ancient Rome)
 
catafalque
a decorated bier on which a coffin rests in state during a funeral
 
Cataflam
a nonsteroidal anti-inflammatory drug (trade name Cataflam)
 
catalytic converter
a converter that uses a platinum-iridium catalyst to oxidize pollutants and carbon monoxide into carbon dioxide and water; an antipollution device on an automotive exhaust system
 
catamaran
a boat with two parallel hulls held together by single deck
 
cataplasm
a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc.
 
Catapres
an antihypertensive (trade name Catapres) that can be administered orally or via transdermal patches
 
catapult
a device that launches aircraft from a warship
 
catapult
a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
 
catboat
a sailboat with a single mast set far forward
 
catch
a fastener that fastens or locks a door or window
 
catch
a restraint that checks the motion of something
 
catchall
an enclosure or receptacle for odds and ends
 
catcher's mask
a mask to protect the face of the catcher in baseball
 
catchment
a structure in which water is collected (especially a natural drainage area)
 
Caterpillar
a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work
 
caterpillar track
an endless metal belt on which tracked vehicles move over the ground
 
catgut
a strong cord made from the intestines of sheep and used in surgery
 
cathedral
any large and important church
 
cathedral
the principal Christian church building of a bishop's diocese
 
catherine wheel
a circular firework that spins round and round emitting colored fire
 
catheter
a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open
 
cathode
a negatively charged electrode that is the source of electrons entering an electrical device
 
cathode
the positively charged terminal of a voltaic cell or storage battery that supplies current
 
catholicon
hypothetical remedy for all ills or diseases; once sought by the alchemists
 
catling
a long double-edged knife used for amputations
 
catsup bottle
a bottle that holds catsup
 
cattle boat
a cargo ship for the transport of livestock
 
cattle car
a freight car for transporting cattle
 
cattle farm
farm consisting of a large tract of land along with facilities needed to raise livestock (especially cattle)
 
cattle grid
a bridge over a ditch consisting of parallel metal bars that allow pedestrians and vehicles to pass, but not cattle
 
cattle pen
a pen for cattle
 
cattle trail
a trail over which cattle were driven to market
 
catwalk
narrow pathway high in the air (as above a stage or between parts of a building or along a bridge)
 
catwalk
narrow platform extending out into an auditorium
 
causeway
a road that is raised above water or marshland or sand
 
cauterant
an instrument or substance used to destroy tissue for medical reasons (eg removal of a wart) by burning it with a hot iron or an electric current or a caustic or by freezing it
 
cavalier hat
a soft felt hat with a wide flexible brim
 
cavalry sword
a stout sword with a curved blade and thick back
 
cavetto
a concave molding shaped like a quarter circle in cross section
 
cavity resonator
a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
 
cavity wall
a wall formed of two thicknesses of masonry with a space between them
 
CD
a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laser
 
CD burner
recording equipment for making compact disks
 
CD drive
a drive that reads a compact disc and that is connected to an audio system
 
CD player
a stand-alone piece of electronic equipment that either has its own display or attaches to a television set
 
CD-ROM
a compact disk that is used with a computer (rather than with an audio system); a large amount of digital information can be stored and accessed but it cannot be altered by the user
 
CD-ROM drive
a drive that is connected to a computer and on which a CD-ROM can be `played'
 
CD-WO
a compact disc on which you can write only once and thereafter is read-only memory
 
cedar chest
a chest made of cedar
 
Cefobid
a parenteral cephalosporin (trade name Cefobid) used for severe infections
 
ceiling
the overhead upper surface of a covered space
 
Celebrex
a Cox-2 inhibitor (trade name Celebrex) that relieves pain and inflammation without harming the digestive tract
 
celesta
a musical instrument consisting of graduated steel plates that are struck by hammers activated by a keyboard
 
celestial globe
a globe that is a spherical model of the heavens
 
cell
any small compartment
 
cell
a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver
 
cell
small room in which a monk or nun lives
 
cell
a device that delivers an electric current as the result of a chemical reaction
 
cell
a room where a prisoner is kept
 
cellar
an excavation where root vegetables are stored
 
cellar
storage space where wines are stored
 
cellarage
a storage area in a cellar
 
cellaret
sideboard with compartments for holding bottles
 
cellblock
a division of a prison (usually consisting of several cells)
 
cello
a large stringed instrument; seated player holds it upright while playing
 
cellophane
a transparent paperlike product that is impervious to moisture and used to wrap candy or cigarettes etc.
 
Celtic cross
a Latin cross with a ring surrounding the intersection
 
cembalo
a clavier with strings that are plucked by plectra mounted on pivots
 
cement mixer
a machine with a large revolving drum in which cement is mixed with other materials to make concrete
 
cenotaph
a monument built to honor people whose remains are interred elsewhere or whose remains cannot be recovered
 
censer
a container for burning incense (especially one that is swung on a chain in a religious ritual)
 
center bit
a bit with a sharp center point for guidance and two side cutters
 
center punch
a tool with a conical point that is used to make indentations in metal (especially to mark points for drilling)
 
center
the piece of ground in the outfield directly ahead of the catcher
 
center
a building dedicated to a particular activity
 
center
mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers; usually includes restaurants and a convenient parking area; a modern version of the traditional marketplace
 
centerboard
a retractable fin keel used on sailboats to prevent drifting to leeward
 
centerpiece
something placed at the center of something else (as on a table)
 
Centigrade thermometer
a thermometer calibrated in degrees centigrade
 
central heating
a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators
 
central office
(usually plural) the office that serves as the administrative center of an enterprise
 
central
a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
 
centrex
(CENTRal EXchange) a kind of telephone exchange
 
centrifugal pump
a pump that use centrifugal force to discharge fluid into a pipe
 
centrifuge
an apparatus that uses centrifugal force to separate particles from a suspension
 
cephaloridine
a broad spectrum semisynthetic antibiotic produced by modifying cephalosporin
 
cephalothin
a semisynthetic analogue of cephalosporin
 
ceramic
an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures
 
ceramic ware
utensils made from ceramic material
 
cerate
a hard medicated paste made of lard or oil mixed with wax or resin
 
cereal bowl
a bowl for holding breakfast cereal
 
cereal box
a paper box in which breakfast cereals are sold
 
cerecloth
a waterproof waxed cloth once used as a shroud
 
cerement
burial garment in which a corpse is wrapped
 
cervical cap
a contraceptive device consisting of a small thimble-shaped cup that is placed over the uterine cervix to prevent the entrance of spermatozoa
 
cesspit
a covered cistern; waste water and sewage flow into it
 
chachka
(Yiddish) an inexpensive showy trinket
 
chadar
a cloth used as a head covering (and veil and shawl) by Muslim and Hindu women
 
chaff
foil in thin strips; ejected into the air as a radar countermeasure
 
chafing dish
a metal pan over a heater; used to cook or to keep things warm at the table
 
chafing gear
covering (usually rope or canvas) of a line or spar to protect it from friction
 
chain
a series of (usually metal) rings or links fitted into one another to make a flexible ligament
 
chain
anything that acts as a restraint
 
chain
a linked or connected series of objects
 
chain armor
(Middle Ages) flexible armor made of interlinked metal rings
 
chain printer
an impact printer that carries the type slugs by links of a revolving chain
 
chain saw
portable power saw; teeth linked to form an endless chain
 
chain stitch
a looped stitch resembling the links of a chain; used in embroidery and in sewing
 
chain stitch
the most basic of all crochet stitches made by pulling a loop of yarn through another loop
 
chain store
one of a chain of retail stores under the same management and selling the same merchandise
 
chain tongs
a pipe wrench used for turning large pipes; an adjustable chain circles the pipe with its ends connected to the head whose teeth engage the pipe
 
chain wrench
another name for chain tongs
 
chain
a necklace made by stringing objects together
 
chainlink fence
a fence of steel wires woven into a diamond pattern
 
chains
metal shackles; for hands or legs
 
chair
a seat for one person, with a support for the back
 
chair
a particular seat in an orchestra
 
chair car
a passenger car for day travel; you pay extra fare for individual chairs
 
chair lift
a ski lift on which riders (skiers or sightseers) are seated and carried up or down a mountainside; seats are hung from an endless overhead cable
 
chair of state
a ceremonial chair for an exalted or powerful person
 
chair
an instrument of execution by electrocution; resembles an ordinary seat for one person
 
chaise
a long chair; for reclining
 
chaise
a carriage consisting of two wheels and a calash top; drawn by a single horse
 
chalet
a Swiss house with a sloping roof and wide eaves or a house built in this style
 
chalice
a bowl-shaped drinking vessel; especially the Eucharistic cup
 
chalk
a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
 
chalk line
a chalked string used in the building trades to make a straight line on a vertical surface
 
chalk pit
a quarry for chalk
 
challis
a soft lightweight fabric (usually printed)
 
chamber
a natural or artificial enclosed space
 
chamber
a room where a judge transacts business
 
chamberpot
a receptacle for urination or defecation in the bedroom
 
chambray
a lightweight fabric woven with white threads across a colored warp
 
chamfer bit
a bit that is used for beveling
 
chamfer plane
a plane that makes a beveled edge
 
chamfron
medieval plate armor to protect a horse's head
 
chamois cloth
a piece of chamois used for washing windows or cars
 
champagne flute
a tall narrow wineglass
 
chancellery
a government building housing the office of a chancellor
 
chancery
an office of archives for public or ecclesiastic records; a court of public records
 
chandelier
branched lighting fixture; often ornate; hangs from the ceiling
 
chandlery
a storeroom where candles are kept
 
chandlery
candles and other commodities sold by a chandler
 
change
a different or fresh set of clothes
 
change
a thing that is different
 
channel
a passage for water (or other fluids) to flow through
 
Channel Tunnel
the railroad tunnel between France and England under the English Channel
 
chanter
reed pipe with finger holes on which the melody is played
 
chantry
a chapel endowed for singing Masses for the soul of the donor
 
chap
(usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs
 
chapeau
headdress that protects the head from bad weather; has shaped crown and usually a brim
 
chapel
a place of worship that has its own altar
 
chaplet
flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes
 
chapterhouse
a building attached to a monastery or cathedral; used as a meeting place for the chapter
 
chapterhouse
a house used as a residence by a chapter of a fraternity
 
character printer
a printer that prints a single character at a time
 
charcoal
a drawing made with a stick of black carbon material
 
charcoal burner
a stove that burns charcoal as fuel
 
charcoal
a stick of black carbon material used for drawing
 
charcuterie
a delicatessen that specializes in meats
 
charge-exchange accelerator
an accelerator in which high-energy ions escape from plasma following charge exchange
 
chariot
a light four-wheel horse-drawn ceremonial carriage
 
chariot
a two-wheeled horse-drawn battle vehicle; used in war and races in ancient Egypt and Greece and Rome
 
Charlestown Navy Yard
the navy yard in Boston where the frigate `Constitution' is anchored
 
charm
something believed to bring good luck
 
charnel
a vault or building where corpses or bones are deposited
 
chart
a map designed to assist navigation by air or sea
 
charterhouse
a Carthusian monastery
 
Chartres Cathedral
a Gothic cathedral in northern France; built in 13th century
 
chase
a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time
 
chassis
the skeleton of a motor vehicle consisting of a steel frame supported on springs that holds the body and motor
 
chassis
a metal mounting for the circuit components of an electronic device
 
chasuble
a long sleeveless vestment worn by a priest when celebrating Mass
 
chateau
an impressive country house (or castle) in France
 
chatelaine
a chain formerly worn at the waist by women; for carrying a purse or bunch of keys etc.
 
check
a textile pattern of squares or crossed lines (resembling a checkerboard)
 
checker board
a board having 64 squares of two alternating colors
 
checker
one of the flat round pieces used in playing the game of checkers
 
checkout
a counter in a supermarket where you pay for your purchases
 
checkroom
a room where baggage or parcels are checked
 
cheekpiece
either of two straps of a bridle that connect the bit to the headpiece
 
cheese cutter
a kitchen utensil (board or handle) with a wire for cutting cheese
 
cheese press
a press for shaping cheese curd
 
cheese tray
tray on which cheeses are served
 
cheesecake
a photograph of an attractive woman in minimal attire
 
cheesecloth
a coarse loosely woven cotton gauze; originally used to wrap cheeses
 
chef-d'oeuvre
the most outstanding work of a creative artist or craftsman
 
chem lab
a laboratory for research in chemistry
 
chemical bomb
a bomb laden with chemical agents that are released when the bomb explodes
 
chemical plant
an industrial plant where chemicals are produced
 
chemical reactor
an apparatus for holding substances that are undergoing a chemical reaction
 
chemical weapon
chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants
 
chemise
a loose-fitting dress hanging straight from the shoulders without a waist
 
chemise
a woman's sleeveless undergarment
 
Chemnitzer concertina
a hand-held and bellows-driven accordion
 
chenille
a heavy fabric woven with chenille cord; used in rugs and bedspreads
 
chenille
a soft tufted cord used in embroidery
 
cheroot
a cigar with both ends cut flat
 
cherry bomb
a red ball-shaped firecracker with high explosive power
 
chess board
a checkerboard used to play chess
 
chess piece
any of 16 white and 16 black pieces used in playing the game of chess
 
chest
box with a lid; used for storage; usually large and sturdy
 
chest protector
protective garment consisting of a pad worn in baseball by catchers and by football players
 
chesterfield
a fitted overcoat with a velvet collar
 
chesterfield
an overstuffed davenport with upright armrests
 
cheval glass
a full length mirror mounted in a frame in which it can be tilted
 
cheval-de-frise
defensive structure consisting of a movable obstacle composed of barbed wire or spikes attached to a wooden frame; used to obstruct cavalry
 
chevron
an inverted V-shaped charge
 
chiaroscuro
a monochrome picture made by using several different shades of the same color
 
chicane
a movable barrier used in motor racing; sometimes placed before a dangerous corner to reduce speed as cars pass in single file
 
chicken coop
a farm building for housing poultry
 
chicken farm
farm where chickens are raised for sale
 
chicken run
an enclosed yard for keeping poultry
 
chicken wire
a galvanized wire network with a hexagonal mesh; used to build fences
 
chiffon
a sheer fabric of silk or rayon
 
chiffonier
a tall elegant chest of drawers
 
child's room
a bedroom for a child
 
chimney
a vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building
 
chimney breast
walls that project out from the wall of a room and surround the chimney base
 
chimney corner
a corner by a fireplace
 
chimney
a glass flue surrounding the wick of an oil lamp
 
chimneypiece
shelf that projects from wall above fireplace
 
chimneypot
a short earthenware pipe on the top of a chimney to increase the draft
 
chimneystack
the part of the chimney that is above the roof; usually has several flues
 
chin rest
a rest on which a violinist can place the chin
 
chin strap
a strap attached to a hat; passes under the chin and holds the hat in place
 
china
high quality porcelain originally made only in China
 
china cabinet
a cabinet (usually with glass doors) for storing and displaying china
 
china
dishware made of high quality porcelain
 
chinchilla
a thick twilled fabric of wool and cotton
 
Chinese lantern
a collapsible paper lantern in bright colors; used for decorative purposes
 
Chinese puzzle
intricate or ingenious puzzle consisting of boxes within boxes
 
chinning bar
a horizontal bar on which you can chin yourself
 
chino
a coarse twilled cotton fabric frequently used for uniforms
 
chinoiserie
a style in art reflecting Chinese influence; elaborately decorated and intricately patterned
 
chinos
(plural) trousers made with chino cloth
 
chintz
a brightly printed and glazed cotton fabric
 
chip
a triangular wooden float attached to the end of a log line
 
chip
electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
 
chip
a small disk-shaped counter used to represent money when gambling
 
chisel
an edge tool with a flat steel blade with a cutting edge
 
Chisholm Trail
a former cattle trail from San Antonio in Texas to Abilene in Kansas; not used after the 1880s
 
chiton
a woolen tunic worn by men and women in ancient Greece
 
chlamys
a short mantle or cape fastened at the shoulder; worn by men in ancient Greece
 
Chlor-Trimeton
an antihistamine (trade names Coricidin and Chlor-Trimeton)
 
chloral hydrate
a colorless crystalline drug used as a sedative; irritates the stomach and can be addictive
 
chloramine-T
any of several compounds containing chlorine and nitrogen; used as an antiseptic in wounds
 
chlorhexidine
a long-lasting liquid antiseptic; used by surgeons to wash their hands before performing surgery
 
chloroform
a volatile liquid haloform (CHCl3); formerly used as an anesthetic
 
Chloromycetin
an oral antibiotic (trade name Chloromycetin) used to treat serious infections (especially typhoid fever)
 
chloroquine
an antimalarial drug used to treat malaria and amebic dysentery and systemic lupus erythematosus
 
chock
a block of wood used to prevent the sliding or rolling of a heavy object
 
choir
the area occupied by singers; the part of the chancel between sanctuary and nave
 
choir loft
a gallery in a church occupied by the choir
 
choke
a valve that controls the flow of air into the carburetor of a gasoline engine
 
choke
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current
 
choker
necklace that fits tightly around a woman's neck
 
choker
a high tight collar
 
chokey
British slang (dated) for a prison
 
choo-choo
a child's word for locomotive
 
chop shop
a place where stolen cars are disassembled for their parts
 
chophouse
a restaurant that specializes in steaks
 
chopine
a woman's shoe with a very high thick sole
 
chopper
a butcher's knife having a large square blade
 
chopper
an aircraft without wings that obtains its lift from the rotation of overhead blades
 
chopping block
a steady wooden block on which food can be cut or diced or wood can be split
 
chopping board
a wooden board where meats or vegetables can be cut
 
chopstick
one of a pair of slender sticks used as oriental tableware to eat food with
 
chordophone
a stringed instrument of the group including harps, lutes, lyres, and zithers
 
choropleth map
a map that uses graded differences in shading or color or the placing of symbols inside defined areas on the map in order to indicate the average values of some property or quantity in those areas
 
chrism
a consecrated ointment consisting of a mixture of oil and balsam
 
Christmas stocking
a stocking that is filled with small Christmas presents
 
Christmas tree
an ornamented evergreen used as a Christmas decoration
 
chromatogram
the recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography
 
chromatography column
a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands
 
chronograph
an accurate timer for recording time
 
chronometer
an accurate clock (especially used in navigation)
 
chronoscope
an instrument for accurate measurements of small intervals of time
 
chuck
a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
 
chuck wagon
a wagon equipped with a cookstove and provisions (for cowboys)
 
chukka
a shoe that comes up to the ankle and is laced through two or three pairs of eyelets; often made of suede
 
chum
bait consisting of chopped fish and fish oils that are dumped overboard to attract fish
 
church bell
a bell in a church tower (usually sounded to summon people to church)
 
church bench
long bench with backs; used in church by the congregation
 
church hat
a fanciful hat of the kind worn by Black women for Sunday worship
 
church key
can opener that has a triangular pointed end that pierces the tops of cans
 
church tower
the tower of a church
 
church
a place for public (especially Christian) worship
 
Churchill Downs
a racetrack for thoroughbred racing in Louisville; site of the Kentucky Derby
 
churidars
tight trousers worn by people from the Indian subcontinent (typically with a kameez or kurta)
 
chute
rescue equipment consisting of a device that fills with air and retards your fall
 
chute
sloping channel through which things can descend
 
Cialis
virility drug (trade name Cialis) used to treat erectile dysfunction in men
 
cider mill
mill that extracts juice from apples to make apple cider
 
ciderpress
a press that is used to extract the juice from apples
 
cigar
a roll of tobacco for smoking
 
cigar band
a narrow paper band around a cigar
 
cigar box
a box for holding cigars
 
cigar butt
small part of a cigar that is left after smoking
 
cigar cutter
an implement for cutting the tip off of a cigar
 
cigar lighter
a lighter for cigars or cigarettes
 
cigarette butt
small part of a cigarette that is left after smoking
 
cigarette case
a small flat case for holding cigarettes; can be carried in a purse or a pocket
 
cigarette holder
a tube that holds a cigarette while it is being smoked
 
cigarillo
small cigar or cigarette wrapped in tobacco instead of paper
 
cinch
stable gear consisting of a band around a horse's belly that holds the saddle in place
 
cincture
a band of material around the waist that strengthens a skirt or trousers
 
cinder track
a racetrack paved with fine cinders
 
cine projector
projects successive frames from a reel of film to create moving pictures
 
cine-camera
a camera that takes a sequence of photographs that can give the illusion of motion when viewed in rapid succession
 
cine-film
photographic film several hundred feet long and wound on a spool; to be used in a movie camera
 
cinema
a theater where films are shown
 
cinerarium
a niche for a funeral urn containing the ashes of the cremated dead
 
cinquefoil
an ornamental carving consisting of five arcs arranged in a circle
 
Cipro
an oral antibiotic (trade name Cipro) used against serious bacterial infections of the skin or respiratory tract or urinary tract or bones or joints
 
circle
a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
 
circle
a road junction at which traffic streams circularly around a central island
 
circle
any circular or rotating mechanism
 
circlet
decorated metal band worn around the head
 
circuit
an electrical device that provides a path for electrical current to flow
 
circuit
a racetrack for automobile races
 
circuitry
electronic equipment consisting of a system of circuits
 
circular file
a container with an open top; for discarded paper and other rubbish
 
circular plane
a plane with a flexible face that can plane concave or convex surfaces
 
circulating library
library that provides books for use outside the building
 
circus
an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent
 
circus
(antiquity) an open-air stadium for chariot races and gladiatorial games
 
cistern
an artificial reservoir for storing liquids; especially an underground tank for storing rainwater
 
cistern
a tank that holds the water used to flush a toilet
 
cither
a 16th century musical instrument resembling a guitar with a pear-shaped soundbox and wire strings
 
cither
a musical stringed instrument with strings stretched over a flat sounding board; it is laid flat and played with a plectrum and with fingers
 
city hall
a building that houses administrative offices of a municipal government
 
city university
an urban university in a large city
 
cityscape
painting depicting a city or urban area
 
civic center
a center where the members of a community can gather for social or cultural activities
 
civies
civilian garb as opposed to a military uniform
 
civilian clothing
ordinary clothing as distinguished from uniforms, work clothes, clerical garb, etc.
 
clack
a simple valve with a hinge on one side; allows fluid to flow in only one direction
 
cladding
a protective covering that protects the outside of a building
 
Claforan
a parenteral cephalosporin (trade name Claforan) used for severe infections of the lungs or throat or ears or urinary tract
 
clamp
a device (generally used by carpenters) that holds things firmly together
 
clamshell
a dredging bucket with hinges like the shell of a clam
 
clapper
metal striker that hangs inside a bell and makes a sound by hitting the side
 
clapperboard
photographic equipment used to synchronize sound and motion picture; boards held in front of a movie camera are banged together
 
clarence
a closed carriage with four wheels and seats for four passengers
 
clarinet
a single-reed instrument with a straight tube
 
clarion
a medieval brass instrument with a clear shrill tone
 
Clark standard cell
a form of voltaic cell once used as a standard for electromotive force
 
claro
a cigar made with light-colored tobacco
 
clasp
a fastener (as a buckle or hook) that is used to hold two things together
 
clasp knife
a large knife with one or more folding blades
 
classic
a creation of the highest excellence
 
classroom
a room in a school where lessons take place
 
clavichord
an early stringed instrument like a piano but with more delicate sound
 
clavier
a bank of keys on a musical instrument
 
claw hatchet
a hatchet that has a cleft for pulling nails
 
claw
a mechanical device that is curved or bent to suspend or hold or pull something
 
claxon
a kind of loud horn formerly used on motor vehicles
 
clay pigeon
target used in skeet or trapshooting
 
clay pipe
a pipe made of clay
 
clay sculpture
sculpture produced by molding
 
claymore
a large double-edged broadsword; formerly used by Scottish Highlanders
 
claymore
an antipersonnel land mine whose blast is aimed at the oncoming enemy
 
clayware
ceramic ware made from clay and baked in a kiln
 
clean bomb
an atom bomb leaving little or no radioactive contamination
 
clean room
a room that is virtually free of dust or bacteria; used in laboratory work and in assembly or repair of precision equipment
 
cleaner
a preparation used in cleaning something
 
cleaners
shop where dry cleaning is done
 
cleaning device
any of a large class of implements used for cleaning
 
cleaning pad
a pad used as a cleaning implement
 
clearstory
part of an interior wall rising above the adjacent roof with windows admitting light
 
clearway
a road on which you are not allowed to stop (unless you have a breakdown)
 
cleat
a strip of wood or metal used to strengthen the surface to which it is attached
 
cleat
a fastener (usually with two projecting horns) around which a rope can be secured
 
cleat
a metal or leather projection (as from the sole of a shoe); prevents slipping
 
cleats
shoes with leather or metal projections on the soles
 
clench
a small slip noose made with seizing
 
clepsydra
clock that measures time by the escape of water
 
clevis
a coupler shaped like the letter U with holes through each end so a bolt or pin can pass through the holes to complete the coupling; used to attach a drawbar to a plow or wagon or trailer etc.
 
clews
the cords used to suspend a hammock
 
click
a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
 
client
(computer science) any computer that is hooked up to a computer network
 
cliff dwelling
a rock and adobe dwelling built on sheltered ledges in the sides of a cliff
 
climber
an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
 
climbing frame
a framework of bars or logs for children to climb on
 
clinch
the flattened part of a nail or bolt or rivet
 
clincher
a tool used to clinch nails or bolts or rivets
 
clinic
a healthcare facility for outpatient care
 
clinical thermometer
a mercury thermometer designed to measure the temperature of the human body; graduated to cover a range a few degrees on either side of the normal body temperature
 
clink
a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
 
clinker
a hard brick used as a paving stone
 
clinometer
an instrument used by surveyors in order to measure an angle of inclination or elevation
 
Clinoril
a nonsteroidal anti-inflammatory drug (trade name Clinoril)
 
Clioquinol
drug used to treat certain fungal infection (as athlete's foot)
 
clip
any of various small fasteners used to hold loose articles together
 
clip
an article of jewelry that can be clipped onto a hat or dress
 
clip art
ready-made pieces of computerized graphic art that can be used to decorate a document
 
clip joint
a place of entertainment where high prices are charged for poor entertainment
 
clip lead
a short piece of wire with alligator clips on both ends
 
clip-on
a device (as an earring, sunglasses, microphone etc.) that is attached by clips
 
clipboard
a small writing board with a clip at the top for holding papers
 
clipper
scissors for cutting hair or finger nails (often used in the plural)
 
clipper
shears for cutting grass or shrubbery (often used in the plural)
 
clipper
a fast sailing ship used in former times
 
clipper
(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform)
 
cloaca
a waste pipe that carries away sewage or surface water
 
cloak
a loose outer garment
 
cloak
anything that covers or conceals
 
cloakroom
a private lounge off of a legislative chamber
 
cloakroom
a room where coats and other articles can be left temporarily
 
cloche
a woman's close-fitting hat that resembles a helmet
 
cloche
a low transparent cover put over young plants to protect them from cold
 
clock
a timepiece that shows the time of day
 
clock dial
the face of a clock showing hours and minutes of the day
 
clock pendulum
a physical pendulum used to regulate a clockwork mechanism
 
clock radio
a radio that includes a clock that can be set to turn it on automatically
 
clock tower
a tower with a large clock visible high up on an outside face
 
clockwork
any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock
 
clog
any object that acts as a hindrance or obstruction
 
clog
footwear usually with wooden soles
 
cloisonne
enamelware in which colored areas are separated by thin metal strips
 
cloister
a courtyard with covered walks (as in religious institutions)
 
cloister
residence that is a place of religious seclusion (such as a monastery)
 
Clomid
a fertility drug (trade name Clomid) that is used to stimulate ovulation and that has been associated with multiple births
 
clomipramine
a tricyclic antidepressant drug
 
clone
an unauthorized copy or imitation
 
closed circuit
a complete electrical circuit around which current flows or a signal circulates
 
closed loop
a control system with a feedback loop that is active
 
closed-circuit television
a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
 
closet
a small private room for study or prayer
 
closet auger
a snake used to unblock toilets
 
closet
a small room (or recess) or cabinet used for storage space
 
closet
a tall piece of furniture that provides storage space for clothes; has a door and rails or hooks for hanging clothes
 
closeup
a photograph taken at close range
 
closeup lens
a photographic lens with a short focal length used to take pictures at short ranges
 
clot buster
a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle
 
cloth cap
a flat woolen cap with a stiff peak
 
cloth covering
a covering made of cloth
 
cloth
artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
 
clothes basket
a hamper that holds dirty clothes to be washed or wet clothes to be dried
 
clothes closet
a closet where clothes are stored
 
clothes drier
a dryer that dries clothes wet from washing
 
clothes hanger
a hanger that is shaped like a person's shoulders and used to hang garments on
 
clothes peg
wood or plastic fastener; for holding clothes on a clothesline
 
clothes tree
an upright pole with pegs or hooks on which to hang clothing
 
clothesbrush
a brush used for cleaning clothing
 
clotheshorse
a framework on which to hang clothes (as for drying)
 
clothesline
a cord on which clothes are hung to dry
 
clothing store
a store where men's clothes are sold
 
clout
a short nail with a flat head; used to attach sheet metal to wood
 
clove hitch
a knot used to fasten a line temporarily to a post or spar
 
cloverleaf
an interchange that does not require left-hand turns
 
Clozaril
an antipsychotic drug (trade name Clozaril) used as a sedative and for treatment-resistant schizophrenia; know to have few side effects
 
club
stout stick that is larger at one end
 
club
a playing card in the minor suit that has one or more black trefoils on it
 
club car
railroad car having a bar and tables and lounge chairs
 
club drug
a controlled substance that is usually taken by young people at dance clubs and raves
 
club head
(golf) the head of the club which strikes the ball
 
club
a building that is occupied by a social club
 
club
golf equipment used by a golfer to hit a golf ball
 
clubroom
a room used for the activities of a club
 
cluster bomb
bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area
 
clutch
a coupling that connects or disconnects driving and driven parts of a driving mechanism
 
clutch
a woman's strapless purse that is carried in the hand
 
clutch
a pedal or lever that engages or disengages a rotating shaft and a driving mechanism
 
CN Tower
a tower in Toronto; 1815 feet tall for broadcasting widely
 
coach
a carriage pulled by four horses with one driver
 
coal car
freight car with fixed sides and no roof; for transporting coal
 
coal chute
a chute for coal
 
coal house
a shed for storing coal
 
coal mine
a mine where coal is dug from the ground
 
coal scuttle
container for coal; shaped to permit pouring the coal onto the fire
 
coal shovel
a hand shovel for shoveling coal
 
coal tongs
tongs for taking hold of burning coals
 
coalbin
a bin for holding coal
 
coaming
a raised framework around a hatchway on a ship to keep water out
 
coaster
a covering (plate or mat) that protects the surface of a table (i.e., from the condensation on a cold glass or bottle)
 
coaster brake
a brake on a bicycle that engages with reverse pressure on the pedals
 
coaster wagon
a child's four-wheeled toy cart sometimes used for coasting
 
coat
an outer garment that has sleeves and covers the body from shoulder down; worn outdoors
 
coat button
a button on a coat
 
coat closet
a closet for storing outerwear
 
coat of paint
a layer of paint covering something else
 
coat rack
a rack with hooks for temporarily holding coats and hats
 
coat
a thin layer covering something
 
coatdress
a dress that is tailored like a coat and buttons up the front
 
coatee
a short close-fitting coat
 
coating
a heavy fabric suitable for coats
 
coattail
the loose back flap of a coat that hangs below the waist
 
coax
a transmission line for high-frequency signals
 
cobble
rectangular paving stone with curved top; once used to make roads
 
cobbler's last
holding device shaped like a human foot that is used to fashion or repair shoes
 
cobweb
a dense elaborate spider web that is more efficient than the orb web
 
cobweb
a fabric so delicate and transparent as to resemble a web of a spider
 
cobweb
filaments from a web that was spun by a spider
 
coca
dried leaves of the coca plant (and related plants that also contain cocaine); chewed by Andean people for their stimulating effect
 
cocain
a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
 
cock
the part of a gunlock that strikes the percussion cap when the trigger is pulled
 
cock
faucet consisting of a rotating device for regulating flow of a liquid
 
cockade
an ornament (such as a knot of ribbon or a rosette) usually worn on the hat
 
Cockcroft and Walton voltage multiplier
a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube
 
cocked hat
hat with opposing brims turned up and caught together to form points
 
cockhorse
anything used as a toy horse (such as a rocking horse or one knee of an adult)
 
cockleshell
a small light flimsy boat
 
cockloft
a small loft or garret
 
cockpit
compartment where the pilot sits while flying the aircraft
 
cockpit
seat where the driver sits while driving a racing car
 
cockpit
a pit for cockfights
 
cockscomb
a cap worn by court jesters; adorned with a strip of red
 
cocktail dress
a dress suitable for formal occasions
 
cocktail lounge
a barroom in a hotel or restaurant where cocktails are served
 
cocktail shaker
a shaker for mixing cocktails
 
cocktail table
low table where magazines can be placed and coffee or cocktails are served
 
cocotte
a small casserole in which individual portions can be cooked and served
 
codeine
derivative of opium; used as an antitussive (to relieve coughing) and an analgesic (to relieve pain)
 
codpiece
(15th-16th century) a flap for the crotch of men's tight-fitting breeches
 
coelostat
optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror
 
coffee can
a can for storing ground coffee
 
coffee cup
a cup from which coffee is drunk
 
coffee filter
filter (usually of paper) that passes the coffee and retains the coffee grounds
 
coffee grinder
a mill that grinds roasted coffee beans
 
coffee maker
a kitchen appliance for brewing coffee automatically
 
coffee mug
a mug intended for serving coffee
 
coffee stall
a stand (usually movable) selling hot coffee and food (especially at night)
 
coffee urn
an urn in which coffee is made and kept hot
 
coffee-table book
an elaborate oversize book suitable for displaying on a coffee table
 
coffeepot
tall pot in which coffee is brewed
 
coffer
a chest especially for storing valuables
 
Coffey still
a still consisting of an apparatus for the fractional distillation of ethanol from fermentation on an industrial scale
 
cog railway
railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction
 
cog
tooth on the rim of gear wheel
 
cogwheel
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
 
coif
a skullcap worn by nuns under a veil or by soldiers under a hood of mail or formerly by British sergeants-at-law
 
coign
the keystone of an arch
 
coign
expandable metal or wooden wedge used by printers to lock up a form within a chase
 
coil
reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
 
coil
tubing that is wound in a spiral
 
coil
a contraceptive device placed inside a woman's womb
 
coil
a transformer that supplies high voltage to spark plugs in a gasoline engine
 
coil spring
a spring in the shape of a coil
 
coil
a structure consisting of something wound in a continuous series of loops
 
coin blank
a flat metal disk ready for stamping as a coin
 
coin box
the part of a slot machine that serves as a receptacle for the coins
 
coin machine
a machine that is operated by the insertion of a coin in a slot
 
coin slot
a slot through which coins can be inserted into a slot machine
 
colander
bowl-shaped strainer; used to wash or drain foods
 
colchicine
an analgesic drug derived from the saffron plant and used to treat gout
 
cold cathode
a cathode that is a source of electrons without being heated
 
cold chisel
narrow chisel made of steel; used to cut stone or bricks
 
cold cream
a cream used cosmetically (mostly by women) for softening and cleaning the skin
 
cold frame
protective covering consisting of a wooden frame with a glass top in which small plants are protected from the cold
 
cold medicine
medicine intended to relieve the symptoms of the common cold
 
cold-water flat
an apartment without modern conveniences
 
collage
a paste-up made by sticking together pieces of paper or photographs to form an artistic image
 
collapsible shelter
a portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs)
 
collar
a band of leather or rope that is placed around an animal's neck as a harness or to identify it
 
collar
a short ring fastened over a rod or shaft to limit, guide, or secure a machine part
 
collar
anything worn or placed about the neck
 
collar
a band that fits around the neck and is usually folded over
 
collar
the stitching that forms the rim of a shoe or boot
 
collectable
things considered to be worth collecting (not necessarily valuable or antique)
 
collection plate
a shallow receptacle for collection in church
 
collector
the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes
 
collector's item
the outstanding item (the prize piece or main exhibit) in a collection
 
college
a complex of buildings in which an institution of higher education is housed
 
collet
a band or collar that holds an individual stone in a jewelry setting
 
collet
a cone-shaped chuck used for holding cylindrical pieces in a lathe
 
collet
a metal cap or band placed on a wooden pole to prevent splitting
 
collider
an accelerator in which two beams of particles are forced to collide head on
 
colliery
a workplace consisting of a coal mine plus all the buildings and equipment connected with it
 
collimator
optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
 
collimator
a small telescope attached to a large telescope to use in setting the line of the larger one
 
collyrium
lotion consisting of a solution used as a cleanser for the eyes
 
cologne
a perfumed liquid made of essential oils and alcohol
 
colonnade
structure consisting of a row of evenly spaced columns
 
colonoscope
an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum
 
colophon
a publisher's emblem printed in a book (usually on the title page)
 
color wash
a wash of whitewash or other water-base paint tinted with a colored pigment
 
colorimeter
a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
 
coloring book
a picture book with line drawings intended to be colored with crayons by children
 
colors
a flag that shows its nationality
 
colors
a distinguishing emblem
 
Colossus of Rhodes
a huge bronze statue of the sun god Helios that was built around 285 BC and that stood beside the harbor entrance on the island of Rhodes for about 50 years before it was toppled by an earthquake
 
colour TV
a television that transmits images in color
 
colour TV tube
a television tube that displays images in full color
 
Colt
a kind of revolver
 
colter
a sharp steel wedge that precedes the plow and cuts vertically through the soil
 
columbarium
a sepulchral vault or other structure having recesses in the walls to receive cinerary urns
 
columbarium
a birdhouse for pigeons
 
Columbia University
a university in New York City
 
column
(architecture) a tall vertical cylindrical structure standing upright and used to support a structure
 
column
a vertical cylindrical structure standing alone and not supporting anything (such as a monument)
 
comb
a flat device with narrow pointed teeth on one edge; disentangles or arranges hair
 
comb
any of several tools for straightening fibers
 
combat ship
a government ship that is available for waging war
 
comber
a machine that separates and straightens the fibers of cotton or wool
 
combination lock
lock that can be opened only by turning dials in a special sequence
 
combination plane
a woodworking plane that has interchangeable cutters of various shapes
 
combine
harvester that heads and threshes and cleans grain while moving across the field
 
comfort station
a toilet that is available to the public
 
comfort
bedding made of two layers of cloth filled with stuffing and stitched together
 
command key
(computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
 
command module
a space module in which astronauts can live and control the spacecraft and communicate with earth
 
commercial art
art used for commercial purposes (as in advertising)
 
commissary
a retail store that sells equipment and provisions (usually to military personnel)
 
commissary
a snack bar in a film studio
 
commodities exchange
an exchange for buying and selling commodities for future delivery
 
commodity
articles of commerce
 
Commodore John Barry Bridge
a cantilever bridge in Chester, Pennsylvania
 
common room
a sitting room (usually at school or university)
 
communication equipment
facility consisting of the physical plants and equipment for disseminating information
 
communication system
a system for communicating
 
communications satellite
an artificial satellite that relays signals back to earth; moves in a geostationary orbit
 
commutator
switch for reversing the direction of an electric current
 
commuter
a passenger train that is ridden primarily by passengers who travel regularly from one place to another
 
compact
a small and economical car
 
compact
a small cosmetics case with a mirror; to be carried in a woman's purse
 
companionway
a stairway or ladder that leads from one deck to another on a ship
 
compartment
a partitioned section, chamber, or separate room within a larger enclosed area
 
compartment
a space into which an area is subdivided
 
compass
navigational instrument for finding directions
 
compass
drafting instrument used for drawing circles
 
compass card
compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
 
compass saw
a handsaw with a narrow triangular blade for cutting curves
 
component
an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
 
composition
something that is created by arranging several things to form a unified whole
 
compound
an enclosure of residences and other building (especially in the Orient)
 
compound lens
a lens system consisting of two or more lenses on the same axis
 
compound lever
a pair of levers hinged at the fulcrum
 
compound microscope
light microscope that has two converging lens systems: the objective and the eyepiece
 
compound pendulum
pendulum consisting of an actual object allowed to rotate freely around a horizontal axis
 
compress
a cloth pad or dressing (with or without medication) applied firmly to some part of the body (to relieve discomfort or reduce fever)
 
compression bandage
bandage that stops the flow of blood from an artery by applying pressure
 
compressor
a mechanical device that compresses gasses
 
computer accessory
an accessory for a computer
 
computer circuit
a circuit that is part of a computer
 
computer display
a screen used to display the output of a computer to the user
 
computer graphic
an image that is generated by a computer
 
computer graphics
the pictorial representation and manipulation of data by a computer
 
computer hardware
(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
 
computer keyboard
a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard
 
computer memory
an electronic memory device
 
computer monitor
a device that displays signals on a computer screen
 
computer mouse
a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad
 
computer network
(computer science) a network of computers
 
computer peripheral
electronic equipment external to the circuit board that contains the CPU of a computer
 
computer store
a store that sells computers to the small businessperson or personal user
 
computer
a machine for performing calculations automatically
 
concave lens
a lens such that a parallel beam of light passing through it is caused to diverge or spread out
 
concealment
a covering that serves to conceal or shelter something
 
concentration camp
a penal camp where political prisoners or prisoners of war are confined (usually under harsh conditions)
 
concert grand
a grand piano suitable for concert performances
 
concert hall
a hall where concerts are given
 
concertina
free-reed instrument played like an accordion by pushing its ends together to force air through the reeds
 
concertina
coiled barbed wire used as an obstacle
 
concourse
a wide hallway in a building where people can walk
 
condensation pump
vacuum pump used to obtain a high vacuum
 
condenser
a hollow coil that condenses by abstracting heat
 
condenser
an apparatus that converts vapor into liquid
 
condenser
lens used to concentrate light on an object
 
conditioner
a substance used in washing (clothing or hair) to make things softer
 
condo
one of the dwelling units in a condominium
 
condom
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
 
condominium
housing consisting of a complex of dwelling units (as an apartment house) in which each unit is individually owned
 
conducting wire
a metal conductor that carries electricity over a distance
 
conductor
a device designed to transmit electricity, heat, etc.
 
conduit
a passage (a pipe or tunnel) through which water or electric wires can pass
 
cone
any cone-shaped artifact
 
cone clutch
a friction clutch in which the frictional surfaces are cone-shaped
 
Conestoga wagon
a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century
 
Confederate flag
the first flag of the Confederate States of America
 
conference center
a center where conferences can be conducted
 
conference room
a room in which a conference can be held
 
conference table
the table that conferees sit around as they hold a meeting
 
confessional
a booth where a priest sits to hear confessions
 
confetti
small pieces or streamers of colored paper that are thrown around on festive occasions (as at a wedding)
 
conformal projection
a map projection in which a small area is rendered in its true shape
 
conge
(architecture) a concave molding
 
congress boot
an ankle high shoe with elastic gussets in the sides
 
conic projection
a map projection of the globe onto a cone with its point over one of the earth's poles
 
conjunction
something that joins or connects
 
connecter
an instrumentality that connects
 
connecting rod
a rod that transmits motion (especially one that connects a rotating wheel to a reciprocating shaft)
 
connecting room
a hotel room that shares a wall with an adjoining room and is connected by a private door
 
conning tower
a raised bridge on a submarine; often used for entering and exiting
 
conning tower
an armored pilothouse on a warship
 
consciousness-altering drug
a drug that can produce mood changes and distorted perceptions
 
conservatoire
a schoolhouse with special facilities for fine arts
 
conservatory
a greenhouse in which plants are arranged in a pleasing manner
 
console
an ornamental scroll-shaped bracket (especially one used to support a wall fixture)
 
console
a scientific instrument consisting of displays and an input device that an operator can use to monitor and control a system (especially a computer system)
 
console
a small table fixed to a wall or designed to stand against a wall
 
constraint
a device that retards something's motion
 
construction
a thing constructed; a complex entity constructed of many parts
 
consulate
diplomatic building that serves as the residence or workplace of a consul
 
consumer durables
consumer goods that are not destroyed by use
 
consumer goods
goods (as food or clothing) intended for direct use or consumption
 
contact arm
contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
 
contact microphone
a microphone designed to be used in contact with a source of sound (or with a resonating surface)
 
contact print
a print made by exposing a photosensitive surface to direct contact with a photographic negative
 
contact
a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
 
contact
(electronics) a junction where things (as two electrical conductors) touch or are in physical contact
 
container
any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)
 
container ship
a cargo ship designed to hold containerized cargoes
 
containment
(physics) a system designed to prevent the accidental release of radioactive material from a reactor
 
content
something (a person or object or scene) selected by an artist or photographer for graphic representation
 
continental quilt
a soft quilt usually filled with the down of the eider
 
contour map
a map having contour lines through points of equal elevation
 
contour sheet
a sheet (usually with elastic edges) tailored to fit a particular mattress
 
contraband
goods whose importation or exportation or possession is prohibited by law
 
contrabassoon
the bassoon that is the largest instrument in the oboe family
 
contraceptive diaphragm
a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
 
contrivance
any improvised arrangement for temporary use
 
control center
the operational center for a group of related activities
 
control circuit
a feedback circuit that subtracts from the input
 
control grid
an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
 
control rod
a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction
 
control room
a room housing control equipment (as in a recording studio)
 
control stick
a lever used by a pilot to control the ailerons and elevators of an airplane
 
control system
a system for controlling the operation of another system
 
control tower
a tower with an elevated workspace enclosed in glass for the visual observation of aircraft around an airport
 
control
a mechanism that controls the operation of a machine
 
controlled substance
a drug or chemical substance whose possession and use are controlled by law
 
convector
a space heater that transfers heat to the surrounding air by convection
 
convenience store
a store selling a limited variety of food and pharmaceutical items; open long hours for the convenience of customers
 
convent
a religious residence especially for nuns
 
conventicle
a building for religious assembly (especially Nonconformists, e.g., Quakers)
 
converging lens
lens such that a beam of light passing through it is brought to a point or focus
 
converter
a device for changing one substance or form or state into another
 
convertible
a car that has top that can be folded or removed
 
convertible
a sofa that can be converted into a bed
 
conveyance
something that serves as a means of transportation
 
conveyer
a moving belt that transports objects (as in a factory)
 
cooker
a utensil for cooking
 
cookfire
a fire for cooking
 
cookhouse
a detached or outdoor shelter for cooking
 
cookie cutter
a kitchen utensil used to cut a sheet of cookie dough into desired shapes before baking
 
cookie jar
a jar in which cookies are kept (and sometimes money is hidden)
 
cooking pan
cooking utensil consisting of a wide metal vessel
 
cooking stove
a kitchen appliance used for cooking food
 
cooking utensil
a kitchen utensil made of material that does not melt easily; used for cooking
 
cookstove
a stove for cooking (especially a wood- or coal-burning kitchen stove)
 
coolant system
a cooling system that uses a fluid to transfer heat from one place to another
 
cooler
a refrigerator for cooling liquids
 
cooler
a cell for violent prisoners
 
cooling system
equipment in a motor vehicle that cools the engine
 
cooling tower
a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant
 
cooling
a mechanism for keeping something cool
 
coonskin
a raccoon cap with the tail hanging down the back
 
Cooper Union for the Advancement of Science and Art
university founded in 1859 by Peter Cooper to offer free courses in the arts and sciences
 
cope
a long cloak; worn by a priest or bishop on ceremonial occasions
 
cope
brick that is laid sideways at the top of a wall
 
copier
apparatus that makes copies of typed, written or drawn material
 
coping saw
a handsaw with a taut thin blade; used for cutting small curves in wood
 
copper mine
a mine where copper is dug from the ground
 
copperplate
a print made from an engraved copperplate
 
copperplate
an engraving consisting of a smooth plate of copper that has been etched or engraved
 
copperware
utensils made with copper
 
copy
a thing made to be similar or identical to another thing
 
copyholder
mechanical device used in printing; holds the copy for the compositor
 
coquille
a dish in the form of a scallop shell
 
coracle
a small rounded boat made of hides stretched over a wicker frame; still used in some parts of Great Britain
 
corbel arch
(architecture) an arch constructed of masonry courses that are corbelled until they meet
 
corbel step
(architecture) a step on the top of a gable wall
 
corbel
(architecture) a triangular bracket of brick or stone (usually of slight extent)
 
corbie gable
(architecture) a gable having corbie-steps or corbel steps
 
cord
a line made of twisted fibers or threads
 
cord
a cut pile fabric with vertical ribs; usually made of cotton
 
cord
a light insulated conductor for household use
 
cordage
the ropes in the rigging of a ship
 
Cordarone
an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
 
cordite
explosive powder (nitroglycerin and guncotton and petrolatum) dissolved in acetone and dried and extruded in brown cords
 
cordon
adornment consisting of an ornamental ribbon or cord
 
cords
cotton trousers made of corduroy cloth
 
corduroy
a road made of logs laid crosswise
 
core
a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil
 
core
the chamber of a nuclear reactor containing the fissile material where the reaction takes place
 
core bit
a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
 
core drill
a drill that removes a cylindrical core from the drill hole
 
core memory
(computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories
 
core
(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
 
corer
a device for removing the core from apples
 
Corgard
a beta-adrenergic blocking agent (trade name Corgard) that is used to treat hypertension and angina
 
cork jacket
life preserver consisting of a sleeveless jacket of buoyant or inflatable design
 
corker
a machine that is used to put corks in bottles
 
corn exchange
an exchange where grains are bought and sold
 
corncrib
a crib for storing and drying ears of corn
 
Cornell University
a university in Ithaca, New York
 
corner pocket
a pocket at the corner of a billiard table
 
corner post
a square post supporting a structural member at the corner of a building
 
corner
an interior angle formed by two meeting walls
 
corner
(architecture) solid exterior angle of a building; especially one formed by a cornerstone
 
corner
the intersection of two streets
 
cornerstone
a stone at the outer corner of two intersecting masonry walls
 
cornerstone
a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies
 
cornet
a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves
 
cornice
the topmost projecting part of an entablature
 
cornice
a molding at the corner between the ceiling and the top of a wall
 
cornice
a decorative framework to conceal curtain fixtures at the top of a window casing
 
corona
a long cigar with blunt ends
 
coronet
a small crown; usually indicates a high rank but below that of sovereign
 
correctional institution
a penal institution maintained by the government
 
corrective
a device for treating injury or disease
 
corridor
an enclosed passageway; rooms usually open onto it
 
corrugated fastener
a small strip of corrugated steel with sharp points on one side; hammered across wood joints in rough carpentry
 
corrugated iron
usually galvanized sheet iron or sheet steel shaped into straight parallel ridges and hollows
 
corsair
a swift pirate ship (often operating with official sanction)
 
corselet
a piece of body armor for the trunk; usually consists of a breastplate and back piece
 
corset
a woman's close-fitting foundation garment
 
corvette
a highly maneuverable escort warship; smaller than a destroyer
 
cosmetic
a toiletry designed to beautify the body
 
cosmography
a representation of the earth or the heavens
 
cosmotron
a large proton synchrotron; uses frequency modulation of an electric field to accelerate protons
 
costume
the attire worn in a play or at a fancy dress ball
 
costume
the attire characteristic of a country or a time or a social class
 
costume
unusual or period attire not characteristic of or appropriate to the time and place
 
costume
the prevalent fashion of dress (including accessories and hair style as well as garments)
 
cosy
a padded cloth covering to keep a teapot warm
 
cot
baby bed with high sides made of slats
 
cot
a sheath worn to protect a finger
 
cote
a small shelter for domestic animals (as sheep or pigeons)
 
cottage tent
a tent providing shelter for a family
 
cottar
fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together
 
cotter pin
a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart
 
cotton
fabric woven from cotton fibers
 
cotton
thread made of cotton fibers
 
cotton gin
a machine that separates the seeds from raw cotton fibers
 
cotton mill
a textile mill for making cotton textiles
 
Cottrell precipitator
removes dust particles from gases by electrostatic precipitation
 
couch
a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
 
couch
a flat coat of paint or varnish used by artists as a primer
 
couch
an upholstered seat for more than one person
 
couchette
a compartment on a European passenger train; contains 4 to 6 berths for sleeping
 
coude system
a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
 
coulisse
a timber member grooved to take a sliding panel
 
coulisse
a flat situated in the wings
 
Coumadin
an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus
 
counter
table consisting of a horizontal surface over which business is transacted
 
counter
game equipment (as a piece of wood, plastic, or ivory) used for keeping a count or reserving a space in various card or board games
 
counter
(computer science) a register whose contents go through a regular series of states (usually states indicating consecutive integers)
 
counter tube
a measuring instrument for counting individual ionizing events
 
counter
a piece of leather forming the back of a shoe or boot
 
counter
a calculator that keeps a record of the number of times something happens
 
counterbore
a bit for enlarging the upper part of a hole
 
counterfeit
a copy that is represented as the original
 
counterirritant
a medicine applied locally to produce superficial inflammation in order to reduce deeper inflammation
 
counterpart
a duplicate copy
 
countersink
a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface
 
countertop
the top side of a counter
 
countinghouse
office used by the accountants of a business
 
country house
a house (usually large and impressive) on an estate in the country
 
country store
a retail store serving a sparsely populated region; usually stocked with a wide variety of merchandise
 
coupe
a car with two doors and front seats and a luggage compartment
 
coupler
a mechanical device that serves to connect the ends of adjacent objects
 
coupling
a connection (like a clamp or vise) between two things so they move together
 
course
facility consisting of a circumscribed area of land or water laid out for a sport
 
course
(construction) a layer of masonry
 
court
a specially marked horizontal area within which a game is played
 
court
the residence of a sovereign or nobleman
 
court card
one of the twelve cards in a deck bearing a picture of a face
 
court plaster
a plaster composed of isinglass on silk; formerly used to dress superficial wounds
 
court
a tribunal that is presided over by a magistrate or by one or more judges who administer justice according to the laws
 
court
a room in which a lawcourt sits
 
court
an area wholly or partly surrounded by walls or buildings
 
court
a hotel for motorists; provides direct access from rooms to parking area
 
Courtelle
an acrylic fabric resembling wool
 
courthouse
a building that houses judicial courts
 
courthouse
a government building that houses the offices of a county government
 
cover glass
a small and very thin piece of glass used to cover the specimen on a microscope slide
 
cover plate
covering consisting of a plate used to cover over or close in a chamber or receptacle
 
cover
a recording of a song that was first recorded or made popular by somebody else
 
cover
covering for a hole (especially a hole in the top of a container)
 
coverall
a loose-fitting protective garment that is worn over other clothing
 
covered bridge
a bridge whose passageway is protected by a roof and enclosing sides
 
covered couch
a litter with a cover for privacy
 
covered stadium
a stadium that has a roof
 
covered stand
a stand at a racecourse or stadium consisting of tiers with rows of individual seats that are under a protective roof
 
covering
an artifact that covers something else (usually to protect or shelter or conceal it)
 
coverlet
a decorative bedspread (usually quilted)
 
cowbell
a bell hung around the neck of cow so that the cow can be easily located
 
cowboy boot
a boot with a high arch and fancy stitching; worn by American cowboys
 
cowboy hat
a hat with a wide brim and a soft crown; worn by American ranch hands
 
cowhide
a heavy flexible whip braided from leather made from the hide of a cow
 
cowl
a loose hood or hooded robe (as worn by a monk)
 
Cox-2 inhibitor
an anti-inflammatory drug that fights pain and blocks Cox-2 activity without impeding the activity of Cox-1; increases the risk of heart attacks
 
CPU board
the main circuit board for a computer
 
crack
a purified and potent form of cocaine that is smoked rather than snorted; highly addictive
 
crack
a narrow opening
 
cracker
a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends
 
crackerjack
something excellent of its kind
 
crackle
glazed china with a network of fine cracks on the surface
 
cradle
a baby bed with sides and rockers
 
cradle
a trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold
 
craft
a vehicle designed for navigation in or on water or air or through outer space
 
cramp
a clamp for holding pieces of wood together while they are glued
 
cramp
a strip of metal with ends bent at right angles; used to hold masonry together
 
crampon
a hinged pair of curved iron bars; used to raise heavy objects
 
crane
lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis
 
craniometer
an instrument for measuring skull sizes
 
crank handle
crank used to start an engine
 
crank
a hand tool consisting of a rotating shaft with parallel handle
 
crankcase
housing for a crankshaft
 
crankshaft
a rotating shaft driven by (or driving) a crank
 
crape
a soft thin light fabric with a crinkled surface
 
crash barrier
a strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents
 
crash helmet
a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents
 
crate
a rugged box (usually made of wood); used for shipping
 
cravat
neckwear worn in a slipknot with long ends overlapping vertically in front
 
crayon
writing implement consisting of a colored stick of composition wax used for writing and drawing
 
crazy quilt
a patchwork quilt without a design
 
cream pitcher
a small pitcher for serving cream
 
cream
toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin
 
creamery
a workplace where dairy products (butter and cheese etc.) are produced or sold
 
crease
a Malayan dagger with a wavy blade
 
creation
an artifact that has been brought into existence by someone
 
creche
a representation of Christ's nativity in the stable at Bethlehem
 
creche
a hospital where foundlings (infant children of unknown parents) are taken in and cared for
 
credence
a kind of sideboard or buffet
 
creel
a wicker basket used by anglers to hold fish
 
creep
a pen that is fenced so that young animals can enter but adults cannot
 
cremation chamber
a furnace where a corpse can be burned and reduced to ashes
 
crematorium
a mortuary where corpses are cremated
 
crenel
a notch or open space between two merlons in a crenelated battlement
 
crepe de Chine
a very thin crepe of silk or silklike fabric
 
crepe marocain
a dress crepe; similar to Canton crepe
 
crescent wrench
an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrench
 
crest
(heraldry) in medieval times, an emblem used to decorate a helmet
 
crest
the center of a cambered road
 
cretonne
an unglazed heavy fabric; brightly printed; used for slipcovers and draperies
 
crew neck
a plain straight neckline opening from shoulder to shoulder of sweaters
 
crewelwork
embroidery done with loosely twisted worsted yarn
 
crewet
bottle that holds wine or oil or vinegar for the table
 
crib
a bin or granary for storing grains
 
cribbage board
a board with pegs and regularly spaced holes for holding the pegs; used for keeping the score in a game of cribbage
 
cricket ball
the ball used in playing cricket
 
cricket equipment
sports equipment used in playing cricket
 
crimper
a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it
 
cringle
fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
 
crinoline
a stiff coarse fabric used to stiffen hats or clothing
 
crinoline
a full stiff petticoat made of crinoline fabric
 
crinoline
a skirt stiffened with hoops
 
Crixivan
a protease inhibitor (trade name Crixivan) used for treating HIV
 
CRO
electronic equipment that provides visual images of varying electrical quantities
 
crochet hook
a needle with a hook on the end; used in crocheting
 
crochet stitch
any one of a number of stitches made by pulling a loop of yarn through another loop with a crochet needle
 
crochet
needlework done by interlocking looped stitches with a hooked needle
 
Crock Pot
an electric cooker that maintains a relatively low temperature
 
crock
an earthen jar (made of baked clay)
 
crockery
tableware (eating and serving dishes) collectively
 
crocket
an architectural ornament of curved foliage used at the edge of a spire or gable
 
croft
a small farm worked by a crofter
 
cromlech
a prehistoric megalithic tomb typically having two large upright stones and a capstone
 
cromorne
a Renaissance woodwind with a double reed and a curving tube (crooked horn)
 
crook
a long staff with one end being hook shaped
 
Crookes radiometer
electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight
 
Crookes tube
the original gas-discharge cathode-ray tube
 
crop
the stock or handle of a whip
 
crop
the output of something in a season
 
croquet ball
a wooden ball used in playing croquet
 
croquet equipment
sports equipment used in playing croquet
 
croquet mallet
a mallet used to strike the ball in croquet
 
Cross
a representation of the structure on which Jesus was crucified; used as an emblem of Christianity or in heraldry
 
cross
a wooden structure consisting of an upright post with a transverse piece
 
cross bit
a rock drill having cruciform cutting edges; used in mining
 
cross hair
either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration
 
cross of Calvary
a Latin cross set on three steps
 
cross of Lorraine
a cross with two crossbars, one above and one below the midpoint of the vertical, the lower longer than the upper
 
cross street
a street intersecting a main street (usually at right angles) and continuing on both sides of it
 
cross thwart
a crosspiece spreading the gunnels of a boat; used as a seat in a rowboat
 
cross-stitch
embroidery done with pairs of stitches that cross each other
 
cross-stitch
two stitches forming a cross or X
 
crossbar
long thin horizontal crosspiece between two vertical posts
 
crossbar
game equipment consisting of a horizontal bar to be jumped or vaulted over
 
crossbar
a horizontal bar that goes across something
 
crossbeam
a horizontal beam that extends across something
 
crossbench
any of the seats in the House of Commons used by members who do not vote regularly with either the government or the Opposition
 
crossbow
a bow fixed transversely on a wooden stock grooved to direct the arrow (quarrel)
 
crosscut handsaw
handsaw that cuts at right angles to the grain (or major axis)
 
crosscut
a route shorter than the usual one
 
crosse
a long racket with a triangular frame; used in playing lacrosse
 
crosshead
metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth
 
crossing
a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
 
crossjack
the lowermost sail on a mizzenmast
 
crosspiece
a transverse brace
 
crosstie
one of the cross braces that support the rails on a railway track
 
crotchet
a small tool or hooklike implement
 
croupier's rake
a small rake used by a croupier to move chips around on the table
 
crow's nest
platform for a lookout at or near the top of a mast
 
crowbar
a heavy iron lever with one end forged into a wedge
 
crown
the part of a hat (the vertex) that covers the crown of the head
 
crown
a wreath or garland worn on the head to signify victory
 
crown jewel
a precious stone that is a valuable part of a sovereign's regalia
 
crown jewels
regalia (jewelry and other paraphernalia) worn by a sovereign on state occasions
 
crown lens
a lens made of optical crown glass
 
crown of thorns
a mock crown made of thorn branches that Roman soldiers placed on Jesus before the Crucifixion
 
crown saw
a saw having teeth around the edge of a hollow cylinder
 
crown
an ornamental jeweled headdress signifying sovereignty
 
CRT
a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
 
CRT screen
the display that is electronically created on the surface of the large end of a cathode-ray tube
 
crucible
a vessel made of material that does not melt easily; used for high temperature chemical reactions
 
crucifix
representation of the cross on which Jesus died
 
cruet-stand
a stand for cruets containing various condiments
 
cruise control
control mechanism for keeping an automobile at a set speed
 
cruise liner
a passenger ship used commercially for pleasure cruises
 
cruise missile
an unmanned aircraft that is a self-contained bomb
 
cruiser
a large fast warship; smaller than a battleship and larger than a destroyer
 
cruiser
a car in which policemen cruise the streets; equipped with radiotelephonic communications to headquarters
 
crupper
a strap from the back of a saddle passing under the horse's tail; prevents saddle from slipping forward
 
cruse
small jar; holds liquid (oil or water)
 
crusher
a device that crushes something
 
crutch
a wooden or metal staff that fits under the armpit and reaches to the ground; used by disabled person while walking
 
cryocautery
an instrument for destroying tissue by freezing it
 
cryometer
a thermometer designed to measure low temperatures
 
cryoscope
a measuring instrument for measuring freezing and melting points
 
cryostat
a thermostat that operates at very low temperatures
 
crypt
a cellar or vault or underground burial chamber (especially beneath a church)
 
cryptograph
a device for deciphering codes and ciphers
 
crystal
glassware made of quartz
 
crystal
a crystalline element used as a component in various electronic devices
 
crystal ball
a glass or crystal globe used in crystal gazing by fortunetellers
 
crystal counter
a counter tube in which an ionizing event increases conductivity
 
crystal detector
a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
 
crystal microphone
a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
 
crystal oscillator
an oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystal
 
crystal pickup
a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal
 
crystal rectifier
a semiconductor that consists of a p-n junction
 
crystal set
an early radio receiver using a crystal detector
 
crystal
a protective cover that protects the face of a watch
 
Cuban heel
a broad heel of medium height on women's shoes
 
cubby
a small secluded room
 
cubbyhole
a small compartment
 
cube
a block in the (approximate) shape of a cube
 
cubeb
a cigarette containing cubeb
 
cubitiere
body armor that protects the elbow
 
cucking stool
an instrument of punishment consisting of a chair in which offenders were ducked in water
 
cuckoo clock
clock that announces the hours with a sound like the call of the cuckoo
 
cuddy
the galley or pantry of a small ship
 
cudgel
a club that is used as a weapon
 
cue ball
the ball that the billiard player or pool player strikes with his cue
 
cue
sports implement consisting of a tapering rod used to strike a cue ball in pool or billiards
 
cuff
shackle that consists of a metal loop that can be locked around the wrist; usually used in pairs
 
cuff
the lap consisting of a turned-back hem encircling the end of the sleeve or leg
 
cufflink
jewelry consisting of one of a pair of linked buttons used to fasten the cuffs of a shirt
 
cuirass
medieval body armor that covers the chest and back
 
cuisse
armor plate that protects the thigh
 
cul
a passage with access only at one end
 
culdoscope
a specialized endoscope for visually examining a woman's pelvic organs
 
cullis
a gutter in a roof
 
culotte
a divided skirt
 
cultivator
a farm implement used to break up the surface of the soil (for aeration and weed control and conservation of moisture)
 
culverin
a medieval musket
 
culverin
a heavy cannon with a long barrel used in the 16th and 17th centuries
 
culvert
a transverse and totally enclosed drain under a road or railway
 
cummerbund
a broad pleated sash worn as formal dress with a tuxedo
 
cup
a small open container usually used for drinking; usually has a handle
 
cup
the hole (or metal container in the hole) on a golf green
 
cup hook
hook (usually on the underside of a shelf) for hanging cups
 
cup
a large metal vessel with two handles that is awarded as a trophy to the winner of a competition
 
Cupid's bow
a curved bow with reversed curve ends
 
cupola
a roof in the form of a dome
 
cupola
a vertical cylindrical furnace for melting iron for casting
 
Cuprimine
a drug (trade name Cuprimine) used to treat heavy metal poisoning and Wilson's disease and severe arthritis
 
curative
a medicine or therapy that cures disease or relieve pain
 
curb market
a stock market for trading in securities not listed on the New York Stock Exchange
 
curb roof
a roof with two or more slopes on each side of the ridge
 
curb
a horse's bit with an attached chain or strap to check the horse
 
curb
an edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)
 
curbside
the side of a sidewalk that is bordered by a curb
 
curbstone
a paving stone forming part of a curb
 
curet
a surgical instrument shaped like a scoop to remove tissue from a bodily cavity
 
curio
something unusual -- perhaps worthy of collecting
 
curling iron
a cylindrical metal home appliance that heats a lock of hair that has been curled around it
 
currycomb
a square comb with rows of small teeth; used to curry horses
 
cursor
(computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions
 
curtain ring
a circular ring for holding up a curtain
 
curtain
hanging cloth used as a blind (especially for a window)
 
curtilage
the enclosed land around a house or other building
 
cushion
a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.
 
cushion
the layer of air that supports a hovercraft or similar vehicle
 
cushion
a mechanical damper; absorbs energy of sudden impulses
 
cushioning
artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort
 
cusp
point formed by two intersecting arcs (as from the intrados of a Gothic arch)
 
cuspidation
a decoration using cusps
 
cuspidor
a receptacle for spit (usually in a public place)
 
custard pie
a prop consisting of an open pie filled with real or artificial custard; thrown in slapstick comedies
 
custom-built
an item made to the customer's specifications
 
customhouse
a government building where customs are collected and where ships are cleared to enter or leave the country
 
cut
a canal made by erosion or excavation
 
cut glass
glass decorated by cutting or grinding facets
 
cut
a trench resembling a furrow that was made by erosion or excavation
 
cutaway
a man's coat cut diagonally from the waist to the back of the knees
 
cutaway
a representation (drawing or model) of something in which the outside is omitted to reveal the inner parts
 
cutlas
a short heavy curved sword with one edge; formerly used by sailors
 
cutlery
a cutting implement; a tool for cutting
 
cutlery
tableware implements for cutting and eating food
 
cutoff
a device that terminates the flow in a pipe
 
cutout
a part that is cut out or is intended to be cut out
 
cutout
a photograph from which the background has been cut away
 
cutout
a switch that interrupts an electric circuit in the event of an overload
 
cutter
a sailing vessel with a single mast set further back than the mast of a sloop
 
cutter
a boat for communication between ship and shore
 
cutting edge
the sharp cutting side of the blade of a knife
 
cutting implement
a tool used for cutting or slicing
 
cutting room
a room where films or tapes are edited (by cutting out unwanted parts)
 
cutty stool
a low stool; formerly in Scotland, a seat in a church where an offender was publicly rebuked
 
cutwork
embroidery in which the design is outlined in a buttonhole stitch and the intervening material is cut away
 
cyberart
art that is produced with the help of computer hardware and software
 
cybercafe
a cafe whose customers sit at computer terminals and log on to the internet while they eat and drink
 
cyberspace
a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange
 
cycle rickshaw
a tricycle (usually propelled by pedalling); used in the Orient for transporting passengers for hire
 
cyclone cellar
an underground shelter where you can go until a storm passes
 
cyclopean masonry
a primitive style of masonry characterized by use of massive stones of irregular shape and size
 
cyclopropane
a colorless flammable gas sometimes used as an inhalation anesthetic
 
cyclorama
a picture (or series of pictures) representing a continuous scene
 
cycloserine
an antibiotic that is especially active against the tubercle bacillus
 
cyclostyle
a writing implement with a small toothed wheel that cuts small holes in a stencil
 
cyclotron
an accelerator that imparts energies of several million electron-volts to rapidly moving particles
 
cylinder
a cylindrical container for oxygen or compressed air
 
cylinder head
a detachable plate that covers the closed end of a cylinder chamber in a reciprocating engine or pump
 
cylinder lock
a lock in which a cylinder rotates to move a bolt; tumblers are pins; inserting the key lifts and aligns the pins to free the cylinder to rotate
 
cylinder press
a printing press where the type is carried on a flat bed under a cylinder that holds paper and rolls over the type
 
cylinder
a chamber within which piston moves
 
cylix
a shallow drinking cup with two handles; used in ancient Greece
 
cyma recta
a cyma in which the upper section is concave and the lower section is convex
 
cyma reversa
a molding that (in section) has the shape of an S with the convex part above and the concave part below
 
cyma
(architecture) a molding for a cornice; in profile it is shaped like an S (partly concave and partly convex)
 
cymbal
a percussion instrument consisting of a concave brass disk; makes a loud crashing sound when hit with a drumstick or when two are struck together
 
cymograph
scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)
 
cytophotometer
a photometer that can be used to locate and identify chemical compounds in a cell by measuring the intensity of the light that passes through stained sections of the cytoplasm
 
cytotoxic drug
any drug that has a toxic effect on cells; commonly used in chemotherapy to inhibit the proliferation of cancerous cells
 
dacha
Russian country house
 
Dachau
a concentration camp for Jews created by the Nazis near Munich in southern Germany
 
dado
a rectangular groove cut into a board so that another piece can fit into it
 
dado
the section of a pedestal between the base and the surbase
 
dado plane
a plane for making a dado groove
 
dado
panel forming the lower part of an interior wall when it is finished differently from the rest of the wall
 
dag
a flap along the edge of a garment; used in medieval clothing
 
dagger
a short knife with a pointed blade used for piercing or stabbing
 
daggerboard
a removable centerboard on a small sailboat that can be lowered into the water to serve as a keel
 
daguerreotype
a photograph made by an early photographic process; the image was produced on a silver plate sensitized to iodine and developed in mercury vapor
 
dairy
a farm where dairy products are produced
 
daishiki
a loose and brightly colored African shirt
 
daisy chain
flower chain consisting of a string of daisies linked by their stems; worn by students on class day at some schools
 
daisy print wheel
a wheel around which is a set of print characters that make a typing impression on paper
 
daisywheel printer
a printer that uses a daisy print wheel
 
Dalmane
tranquilizer (trade name Dalmane) used to treat insomnia
 
dam
a barrier constructed to contain the flow of water or to keep out the sea
 
damascene
a design produced by inlaying gold or silver into steel
 
damask
a fabric of linen or cotton or silk or wool with a reversible pattern woven into it
 
damask
a table linen made from linen with a damask pattern
 
damp course
a course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the building
 
dampener
a device that dampens or moistens something
 
damper
a movable iron plate that regulates the draft in a stove or chimney or furnace
 
damper block
damper consisting of a small felted block that drops onto a piano string to stop its vibration
 
damper
a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
 
dance floor
a bare floor polished for dancing
 
dandle board
a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
 
dandy
a sailing vessel with two masts; a small mizzen is aft of the rudderpost
 
dapsone
antibacterial drug used to treat leprosy and some kinds of skin diseases
 
Daricon
an anticholinergic drug (trade name Daricon) used in treating peptic ulcers
 
dark glasses
(plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun
 
dark-field microscope
light microscope that uses scattered light to show particles too small to see with ordinary microscopes
 
darkroom
a room in which photographs are developed
 
darn
sewing that repairs a worn or torn hole (especially in a garment)
 
darning needle
a long needle with an eye large enough for heavy darning or embroidery thread
 
dart
a tapered tuck made in dressmaking
 
dart
a small narrow pointed missile that is thrown or shot
 
dart board
a circular board of wood or cork used as the target in the game of darts
 
dart thrower
a device resembling a sling that is used in various primitive societies to propel a dart or spear
 
Dartmouth College
a college in New Hampshire
 
Darvon
a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive
 
dash-pot
a mechanical damper; the vibrating part is attached to a piston that moves in a chamber filled with liquid
 
dashboard
instrument panel on an automobile or airplane containing dials and controls
 
dashboard
protective covering consisting of a panel to protect people from the splashing water or mud etc.
 
dasymeter
densimeter consisting of a thin glass globe that is weighed in a gas to determine its density
 
DAT
a digital tape recording of sound
 
data converter
converter for changing information from one code to another
 
data input device
a device that can be used to insert data into a computer or other computational device
 
data link
an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data
 
data multiplexer
a multiplexer that permits two or more data sources to share a common transmission medium
 
data system
system consisting of the network of all communication channels used within an organization
 
data track
(computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
 
daub
an unskillful painting
 
davenport
a large sofa usually convertible into a bed
 
davenport
a small decorative writing desk
 
Davis Cup
cup awarded for the annual international team tennis competition
 
davit
a crane-like device (usually one of a pair) for suspending or lowering equipment (as a lifeboat)
 
Davy lamp
an oil lamp that will not ignite flammable gases (methane)
 
day bed
convertible consisting of an upholstered couch that can be converted into a double bed
 
day camp
a camp providing care and activities for children during the daytime
 
day care center
a nursery for the supervision of preschool children while the parents work
 
day school
a school building without boarding facilities
 
daybed
an armless couch; a seat by day and a bed by night
 
daybook
an accounting journal as a physical object
 
Daypro
a nonsteroidal anti-inflammatory drug (trade name Daypro)
 
Dayton axe
an ax with a long handle and a head that has one cutting edge and one blunt side
 
DDC
an antiviral drug used to combat HIV infection
 
DDI
an antiviral drug used to combat HIV infection
 
dead axle
an axle that carries a wheel but without power to drive it
 
dead load
a constant load on a structure (e.g. a bridge) due to the weight of the supported structure itself
 
dead room
a building (or room) where dead bodies are kept before burial or cremation
 
dead-air space
an unventilated area where no air circulates
 
deadeye
(nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
 
deadhead
a train or bus or taxi traveling empty
 
deadlight
a strong shutter over a ship's porthole that is closed in stormy weather
 
deaf-aid
an electronic device that amplifies sound and is worn to compensate for poor hearing
 
deanery
the official residence of a dean
 
death bell
a bell rung to announce a death
 
death camp
a concentration camp where prisoners are likely to die or be killed
 
death chamber
instrument of execution consisting of a sealed chamber into which poison gas is introduced; used to kill people or animals
 
death house
the cellblock in a prison where those condemned to death await execution
 
death mask
a cast taken from the face of a dead person
 
death seat
the car seat beside the driver of an automobile; believed to be the most dangerous place to sit in a car in case of an accident
 
deathbed
the bed on which a person dies
 
deathtrap
any structure that is very unsafe; where people are likely to be killed
 
decal
either a design that is fixed to some surface or a paper bearing the design which is to be transferred to the surface
 
deck
any of various platforms built into a vessel
 
deck
street name for a packet of illegal drugs
 
deck
a porch that resembles the deck on a ship
 
deck-house
a superstructure on the upper deck of a ship
 
decker
(often used in combinations) something constructed with multiple levels
 
deckle
(paper making) a frame used to form paper pulp into sheets
 
deckle
rough edge left by a deckle on handmade paper or produced artificially on machine-made paper
 
declinometer
an instrument for measuring magnetic declination
 
Declomycin
tetracycline antibacterial (trade name Declomycin) effective in the treatment of some bacterial and rickettsial and other infections
 
decoder
a machine that converts a coded text into ordinary language
 
decolletage
a low-cut neckline on a woman's dress
 
decongestant
a drug that decreases pulmonary congestion
 
decor
decoration consisting of the layout and furnishings of a livable interior
 
decoration
something used to beautify
 
decoupage
art produced by decorating a surface with cutouts and then coating it with several layers of varnish or lacquer
 
dedicated file server
(computer science) a file server that can be used only as a file server
 
deedbox
a strongly made box for holding money or valuables; can be locked
 
Deepfreeze
electric refrigerator (trade name Deepfreeze) in which food is frozen and stored for long periods of time
 
deer trail
a trail worn by the passage of deer
 
deerstalker
a tight-fitting hat with visors front and back; formerly worn by hunters
 
defence system
the weaponry available for the defense of a region
 
defence
a structure used to defend against attack
 
defense laboratory
a laboratory devoted to research and development for national defense
 
defibrillator
an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation
 
defilade
the arrangement of defensive fortifications to protect against enemy fire
 
deflector
a device intended to turn aside the flow of something (water or air or smoke etc)
 
defroster
heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane)
 
dehumidifier
an applicance to extract moisture from the air and make the environment more comfortable
 
Delaware Memorial Bridge
a suspension bridge across the Delaware River
 
delay line
a circuit designed to introduce a calculated delay into the transmission of a signal
 
delayed action
a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture
 
delf
an excavation; usually a quarry or mine
 
delft
a style of glazed earthenware; usually white with blue decoration
 
deli
a shop selling ready-to-eat food products
 
delineation
a drawing of the outlines of forms or objects
 
deliverable
something that can be provided as the product of development
 
delivery truck
a van suitable for delivering goods or services to customers
 
delta wing
an airplane with wings that give it the appearance of an isosceles triangle
 
Demerol
a synthetic narcotic drug (trade name Demerol) used to treat pain
 
demijohn
large bottle with a short narrow neck; often has small handles at neck and is enclosed in wickerwork
 
demister
heater that removes mist from the windshield of a car
 
demitasse
small coffee cup; for serving black coffee
 
demodulator
rectifier that extracts modulation from a radio carrier wave
 
demulcent
a medication (in the form of an oil or salve etc.) that soothes inflamed or injured skin
 
Demulen
trade name for an oral contraceptive
 
den
a room that is comfortable and secluded
 
denim
a coarse durable twill-weave cotton fabric
 
densimeter
a measuring instrument for determining density or specific gravity
 
densitometer
a measuring instrument for determining optical or photographic density
 
dental appliance
a device to repair teeth or replace missing teeth
 
dental floss
a soft thread for cleaning the spaces between the teeth
 
dental implant
an implant that replaces a natural tooth
 
dental plate
a dental appliance that artificially replaces missing teeth
 
dentifrice
a substance for cleaning the teeth; applied with a toothbrush
 
deodorant
a toiletry applied to the skin in order to mask unpleasant odors
 
department store
a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain
 
departure gate
gate where passengers embark
 
departure lounge
lounge where passengers can await departure
 
depilator
a cosmetic for temporary removal of undesired hair
 
Depokene
anticonvulsant (trade name Depokene) used to prevent some kinds of seizures
 
deposit box
a fireproof metal strongbox (usually in a bank) for storing valuables
 
deposit
a facility where things can be deposited for storage or safekeeping
 
depository library
a depository built to contain books and other materials for reading and study
 
depot
a depository for goods
 
depot
station where transport vehicles load or unload passengers or goods
 
depressant
a drug that reduces excitability and calms a person
 
depressor
a device used by physician to press a part down or aside
 
depth bomb
a bomb that explodes at a preset depth under water; antisubmarine device
 
depth finder
navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
 
depth gage
a gauge for measuring the depth of grooves or holes or other concavities
 
dermatome
a surgical instrument used to cut very thin slices of skin
 
derrick
a simple crane having lifting tackle slung from a boom
 
derrick
a framework erected over an oil well to allow drill tubes to be raised and lowered
 
derringer
a pocket pistol of large caliber with a short barrel
 
DES
synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy
 
design
a preliminary sketch indicating the plan for something
 
design
a decorative or artistic work
 
designer drug
a psychoactive drug deliberately synthesized to avoid anti-drug laws; mimics the effects of a banned drug; law was revised in 1986 to ban designer drugs
 
desipramine
a tricyclic antidepressant drug that activates the psychomotor system
 
desk
a piece of furniture with a writing surface and usually drawers or other compartments
 
desk phone
a telephone set that sits on a desk or table
 
desktop computer
a personal computer small enough to fit conveniently in an individual workspace
 
dessert plate
a small plate on which dessert can be served
 
dessert spoon
a spoon larger than a teaspoon and smaller than a tablespoon
 
destroyer escort
warship smaller than a destroyer; designed to escort fleets or convoys
 
destroyer
a small fast lightly armored but heavily armed warship
 
Desyrel
oral antidepressant (trade name Desyrel) that is a nontricyclic drug used as a sedative
 
detached house
a house that stands alone
 
detector
electronic equipment that detects the presence of radio signals or radioactivity
 
detector
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
 
detention camp
an institution where juvenile offenders can be held temporarily (usually under the supervision of a juvenile court)
 
detergent
a cleansing agent that differs from soap but can also emulsify oils and hold dirt in suspension
 
detonating fuse
a fuse containing an explosive
 
detour
a roundabout road (especially one that is used temporarily while a main route is blocked)
 
detox
the hospital ward or clinic in which patients are detoxified
 
deuce
one of the four playing cards in a deck that have two spots
 
developer
photographic equipment consisting of a chemical solution for developing film
 
device
an instrumentality invented for a particular purpose
 
device
an emblematic design (especially in heraldry)
 
device
any ornamental pattern or design (as in embroidery)
 
Dewar flask
vacuum flask that holds liquid air or helium for scientific experiments
 
Dexedrine
an isomer of amphetamine (trade name Dexedrine) used as a central nervous system stimulant
 
dhoti
a long loincloth worn by Hindu men
 
dhow
a lateen-rigged sailing vessel used by Arabs
 
diacetylmorphine
a narcotic that is considered a hard drug; a highly addictive morphine derivative; intravenous injection provides the fastest and most intense rush
 
diaglyph
glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo)
 
diagram
a drawing intended to explain how something works; a drawing showing the relation between the parts
 
dial
the face of a timepiece; graduated to show the hours
 
dial
the circular graduated indicator on various measuring instruments
 
dial
the control on a radio or television set that is used for tuning
 
dial phone
a telephone with a dial for registering the number to be called
 
dial
a disc on a telephone that is rotated a fixed distance for each number called
 
dialog box
(computer science) a small temporary window in a graphical user interface that appears in order to request information from the user; after the information has been provided the user dismisses the box with `okay' or `cancel'
 
dialysis machine
a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes
 
diamante
fabric covered with glittering ornaments such as sequins or rhinestones
 
diamante
adornment consisting of a small piece of shiny material used to decorate clothing
 
diamond
a playing card in the minor suit that has one or more red rhombuses on it
 
diamond point
a very hard small point made from a diamond
 
diapason
either of the two main stops on a pipe organ
 
diaper
a fabric (usually cotton or linen) with a distinctive woven pattern of small repeated figures
 
diaper
garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
 
diaphone
a foghorn that makes a signal consisting of two tones
 
diaphoretic
used to produce perspiration
 
diaphragm
electro-acoustic transducer that vibrates to receive or produce sound waves
 
diaphragm
a mechanical device in a camera that controls size of aperture of the lens
 
diary
a personal journal (as a physical object)
 
diathermy machine
a medical instrument for local heating of bodily tissues for medical purposes
 
dibber
a wooden hand tool with a pointed end; used to make holes in the ground for planting seeds or bulbs
 
dibucaine
a local anesthetic that is administered by injection
 
dice box
a small container (open at one end) in which dice are shaken by hand and from which they are thrown
 
dice
a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers
 
dicer
a mechanical device used for dicing food
 
dickey
a small third seat in the back of an old-fashioned two-seater
 
dickey
a man's detachable insert (usually starched) to simulate the front of a shirt
 
dicoumarol
an anticoagulant drug that has now been largely replaced by warfarin
 
Dictaphone
a tape recorder that records and reproduces dictation
 
die
a device used for shaping metal
 
die
a cutting tool that is fitted into a diestock and used for cutting male (external) screw threads on screws or bolts or pipes or rods
 
diesel locomotive
a locomotive driven by a diesel engine
 
diesel
an internal-combustion engine that burns heavy oil
 
diesel-electric
a locomotive driven by the electric current generated by a diesel engine
 
diesel-hydraulic
a locomotive driven by a hydraulic transmission system powered by a diesel engine
 
diestock
a device that holds the dies that cut external threads on metal cylinders
 
diethyl ether
a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic
 
differential analyzer
an analog computer designed to solve differential equations
 
differential
a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
 
diffraction grating
optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
 
diffuser
optical device that distributes the light of a lamp evenly
 
diffuser
baffle that distributes sound waves evenly
 
diffusing screen
a transparent filter that reduces the light (or some wavelengths of the light) passing through it
 
digester
autoclave consisting of a vessel in which plant or animal materials are digested
 
digger
a machine for excavating
 
diggings
an excavation for ore or precious stones or for archaeology
 
diggings
temporary living quarters
 
digital camera
a camera that encodes an image digitally and store it for later reproduction
 
digital clock
a clock that displays the time of day digitally
 
digital computer
a computer that represents information by numerical (binary) digits
 
digital plethysmograph
plethysmograph applied to a digit of the hand or foot to measure skin blood flow
 
digital scanner
an electronic device that generates a digital representation of an image for data input to a computer
 
digital voltmeter
an electronic voltmeter that gives readings in digits
 
digital watch
a watch with a digital display
 
digital-analog converter
device for converting digital signals into analogue signals
 
digitoxin
digitalis preparation used to treat congestive heart failure or cardiac arrhythmia
 
dihydrostreptomycin
antibiotic consisting of a hydrogenated form of streptomycin; used against tuberculosis and tularemia and Gram-negative organisms
 
Dilantin
an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
 
dilater
a surgical instrument that is used to dilate or distend an opening or an organ
 
dilator
a drug that causes dilation
 
Dilaudid
a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
 
dildo
a vibrating device that substitutes for an erect penis to provide vaginal stimulation
 
dime
street name for a packet of illegal drugs that is sold for ten dollars
 
Dimetane
antihistamine (trade name Dimetane) used to treat hypersensitivity reactions (as rhinitis)
 
Dimetapp
trade name for a drug containing an antihistamine and a decongestant; used to relieve nasal congestion and to treat rhinitis
 
diminished arch
an arch whose height is less than half its width
 
dimity
a strong cotton fabric with a raised pattern; used for bedcovers and curtains
 
dimmer
a rheostat that varies the current through an electric light in order to control the level of illumination
 
diner
a restaurant that resembles a dining car
 
dinette
a small area off of a kitchen that is used for dining
 
dinghy
a small boat of shallow draft with cross thwarts for seats and rowlocks for oars with which it is propelled
 
dining area
an area arranged for dining
 
dining room
a room used for dining
 
dining-hall
a large room at a college or university; used especially for dining
 
dining-room furniture
furniture intended for use in a dining room
 
dining-room table
dining-room furniture consisting of a table on which meals can be served
 
dinkey
a small locomotive
 
dinner bell
a bell rung to announce that dinner has been served
 
dinner bucket
a pail in which a workman carries his lunch or dinner
 
dinner dress
a gown for evening wear
 
dinner napkin
a large napkin used when dinner is served
 
dinner plate
a plate from which a diner eats during the main course of a meal
 
dinner service
a table service for serving dinner
 
dinner table
the dining table where dinner is served and eaten
 
dinner theater
a theater at which dinner is included in the price of admission
 
dinnerware
the tableware (plates and platters and serving bowls etc.) used in serving a meal
 
diode
a thermionic tube having two electrodes; used as a rectifier
 
Diovan
an angiotensin II inhibitor that is used to treat high blood pressure
 
dip
a candle that is made by repeated dipping in a pool of wax or tallow
 
dip circle
a measuring instrument for measuring the angle of magnetic dip (as from an airplane)
 
DIP switch
(computer science) one of a set of small on-off switches mounted in computer hardware; used in place of jumpers to configure the machine for a user
 
diphenylbutyl piperidine
a group of antipsychotic drugs used mainly in the treatment of schizophrenia
 
diplomatic building
government building in which diplomats live or work
 
diplomatic pouch
a mail pouch that is sealed shut and that is used to carry communications between a legation and its home office
 
dipole
an aerial half a wavelength long consisting of two rods connected to a transmission line at the center
 
dipper
a ladle that has a cup with a long handle
 
dipstick
a graduated rod dipped into a container to indicate the fluid level
 
diptych
a painting or carving (especially an altarpiece) on two panels (usually hinged like a book)
 
direction finder
radio; determines the direction of incoming radio waves
 
directional antenna
an antenna that transmits or receives signals only in a narrow angle
 
directional microphone
a microphone that is designed to receive sound from a particular direction
 
dirk
a relatively long dagger with a straight blade
 
dirndl
a dress with a tight bodice and full skirt
 
dirndl
a full skirt with a gathered waistband
 
dirt bike
a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
 
dirt track
a racetrack that is not paved
 
dirty bomb
an atom bomb that leaves considerable radioactive contamination
 
disc brake
hydraulic brake in which friction is applied to both sides of a spinning disk by the brake pads
 
disc harrow
a harrow with a series of disks set on edge at an angle
 
disc
a flat circular plate
 
disc
(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
 
disc
sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
 
discharge lamp
a lamp that generates light by a discharge between two electrodes in a gas
 
discharge pipe
a pipe through which fluids can be discharged
 
disco
a public dance hall for dancing to recorded popular music
 
discount house
a sales outlet offering goods at a discounted price
 
discus
a disk used in throwing competitions
 
disguise
any attire that modifies the appearance in order to conceal the wearer's identity
 
dish
a piece of dishware normally used as a container for holding or serving food
 
dish rack
a rack for holding dishes as dishwater drains off of them
 
dish towel
a towel for drying dishes
 
dish washer
a machine for washing dishes
 
dish
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
 
dishcloth
a cloth for washing dishes
 
dishpan
large pan for washing dishes
 
dishwasher detergent
a low-sudsing detergent designed for use in dishwashers
 
disk access
memory access to the computer disk on which information is stored
 
disk cache
a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk
 
disk clutch
a friction clutch in which the frictional surfaces are disks
 
disk controller
(computer science) a circuit or chip that translates commands into a form that can control a hard disk drive
 
diskette
a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer
 
dispatch box
case consisting of an oblong container (usually having a lock) for carrying dispatches or other valuables
 
dispensary
clinic where medicine and medical supplies are dispensed
 
dispenser
a container so designed that the contents can be used in prescribed amounts
 
display adapter
(computer science) an electronic device that converts information in memory to video output to a display
 
display window
a window of a store facing onto the street; used to display merchandise for sale in the store
 
display
a visual representation of something
 
display
an electronic device that represents information in visual form
 
disposable
an item that can be disposed of after it has been used
 
disposal plant
a plant for disposing of sewage
 
disposal
a kitchen appliance for disposing of garbage
 
distaff
the staff on which wool or flax is wound before spinning
 
distemper
a painting created with paint that is made by mixing the pigments with water and a binder
 
distemper
paint made by mixing the pigments with water and a binder
 
distillery
a plant and works where alcoholic drinks are made by distillation
 
distributer
electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence
 
distributor cam
the cam inside the distributor that rotates to contact spark plug terminals in the correct order
 
distributor cap
the cap of the distributor that holds in place the wires from the distributor to the spark plugs
 
distributor housing
the housing that supports the distributor cam
 
ditch
a long narrow excavation in the earth
 
ditch spade
a spade with a long handle for digging narrow ditches
 
ditty bag
kit used by sailors and soldiers
 
diuretic
any substance that tends to increase the flow of urine, which causes the body to get rid of excess water
 
Diuril
a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension
 
divan
a long backless sofa (usually with pillows against a wall)
 
divan
a Muslim council chamber or law court
 
dive bomber
a bomber that releases its bombs during a steep dive toward the target
 
dive
a cheap disreputable nightclub or dance hall
 
divided highway
a highway divided down the middle by a barrier that separates traffic going in different directions
 
divider
a drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
 
divider
a vertical structure that divides or separates (as a wall divides one room from another)
 
diving bell
diving apparatus for underwater work; has an open bottom and is supplied with compressed air
 
diving board
a springboard from which swimmers can dive
 
diving dress
a weighted and hermetically sealed garment supplied with air; worn by underwater divers
 
divining rod
forked stick that is said to dip down to indicate underground water or oil
 
dixie
a large metal pot (12 gallon camp kettle) for cooking; used in military camps
 
Dixie cup
a disposable cup made of paper; for holding drinks
 
DNA chip
a microchip that holds DNA probes that form half of the DNA double helix and can recognize DNA from samples being tested
 
dock
an enclosure in a court of law where the defendant sits during the trial
 
dock
landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out
 
dock
a platform where trucks or trains can be loaded or unloaded
 
dock
a platform built out from the shore into the water and supported by piles; provides access to ships and boats
 
document
anything serving as a representation of a person's thinking by means of symbolic marks
 
Dodgem
a small low-powered electrically powered vehicle driven on a special platform where there are many others to be dodged
 
doeskin
a fine smooth soft woolen fabric
 
dog collar
a collar for a dog
 
dog house
outbuilding that serves as a shelter for a dog
 
dog pound
a public enclosure for stray or unlicensed dogs
 
dog sled
a sled pulled by dogs
 
dog wrench
a wrench with a handle shaped like a crank
 
dogcart
a cart drawn by a dog
 
doggie bag
a bag for food that a customer did not eat at a restaurant; the transparent pretense is that the food is taken home to feed the customer's dog
 
dogleg
a golf hole with a sharp angle in the fairway
 
dogstooth check
textile with a pattern of small broken or jagged checks
 
dogtooth
a carved pyramidal ornament; used in 13th century England
 
doily
a small round piece of linen placed under a dish or bowl
 
doll
a small replica of a person; used as a toy
 
dollhouse
a small model of a house used as a toy by children
 
dollhouse
a house so small that it is likened to a child's plaything
 
dolly
conveyance consisting of a wheeled platform for moving heavy objects
 
dolly
conveyance consisting of a wheeled support on which a camera can be mounted
 
dolman
a woman's cloak with dolman sleeves
 
dolman sleeve
a sleeve with a large armhole and tight cuff
 
dolman
a hussar's jacket worn over the shoulders
 
Dolobid
nonsteroidal anti-inflammatory (trade name Dolobid) used to treat arthritis and other inflammatory conditions
 
dolophine hydrochloride
synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction
 
dolphin striker
spar under the bowsprit of a sailboat
 
dome
a hemispherical roof
 
domino
a small rectangular block used in playing the game of dominoes; the face of each block has two equal areas that can bear 0 to 6 dots
 
domino
a loose hooded cloak worn with a half mask as part of a masquerade costume
 
domino
a mask covering the upper part of the face but with holes for the eyes
 
dongle
(computer science) an electronic device that must be attached to a computer in order for it to use protected software
 
donjon
the main tower within the walls of a medieval castle or fortress
 
donkey cart
a cart with an underslung axle and two seats
 
donkey engine
a locomotive for switching rolling stock in a railroad yard
 
donkey jacket
a short thick jacket; often worn by workmen
 
doodad
something unspecified whose name is either forgotten or not known
 
doodle
an aimless drawing
 
doodlebug
a small motor vehicle
 
door
a swinging or sliding barrier that will close the entrance to a room or building or vehicle
 
door
a room that is entered via a door
 
door
a structure where people live or work (usually ordered along a street or road)
 
door latch
spring-loaded doorlock that can only be opened from the outside with a key
 
door
the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close
 
doorcase
the frame that supports a door
 
doorhandle
a knob used to release the catch when opening a door (often called `doorhandle' in Great Britain)
 
doorjamb
a jamb for a door
 
doorknocker
a device (usually metal and ornamental) attached by a hinge to a door
 
doorlock
a lock on an exterior door
 
doormat
a mat placed outside an exterior door for wiping the shoes before entering
 
doornail
a nail with a large head; formerly used to decorate doors
 
doorplate
a nameplate fastened to a door; indicates the person who works or lives there
 
doorsill
the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
 
doorstop
a stop that keeps open doors from moving
 
dooryard
a yard outside the front or rear door of a house
 
Doppler radar
radar that uses the Doppler shift to measure velocity
 
Doriden
sedative (trade name Doriden) used to treat some sleep disorders
 
dorm room
a large sleeping room containing several beds
 
dorm
a college or university building containing living quarters for students
 
dormer window
the window in a gabled extension built to accommodate a window
 
dormer
a gabled extension built out from a sloping roof to accommodate a vertical window
 
dosage
a measured portion of medicine taken at any one time
 
dosemeter
a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity)
 
dossal
an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel
 
dosshouse
a cheap lodging house
 
dot matrix printer
a printer that represents each character as a pattern of dots from a dot matrix
 
double bed
a bed wide enough to accommodate two sleepers
 
double boiler
two saucepans, one fitting inside the other
 
double clinch
a clinch with two loops
 
double crochet
a kind of crochet stitch
 
double door
two vertical doors that meet in the middle of the door frame when closed
 
double glazing
a window with two panes of glass and a space between them; reduces heat and noise transmission through the window
 
double knit
a knit fabric similar to jersey that is made with two sets of needles producing a double thickness joined by interlocking stitches
 
double reed
a pair of joined reeds that vibrate together to produce the sound in some woodwinds
 
double reed
a woodwind that has a pair of joined reeds that vibrate together
 
double-breasted jacket
a jacket having fronts that overlap enough for two separate rows of buttons
 
double-breasted suit
a suit with a double-breasted jacket
 
double-hung window
a window having two sashes that slide up and down
 
double-magnum
a large wine bottle (holds 4/5 of a gallon)
 
double-prop
a propeller plane with an engine that drives two propellers in opposite directions (for stability)
 
doubler
an electronic device that doubles the voltage or the frequency of an input signal
 
doublet
a man's close-fitting jacket; worn during the Renaissance
 
doubletree
a crossbar on a wagon or carriage to which two whiffletrees are attached in order to harness two horses abreast
 
douche
a small syringe with detachable nozzles; used for vaginal lavage and enemas
 
Dover's powder
a medicinal powder made essentially of ipecac and opium; formerly used to relieve pain and induce perspiration
 
dovetail plane
a woodworking plane designed to make the grooves for dovetail joints
 
dovetail
a mortise joint formed by interlocking tenons and mortises
 
dowel
a fastener that is inserted into holes in two adjacent pieces and holds them together
 
downcast
a ventilation shaft through which air enters a mine
 
downstage
the front half of the stage (as seen from the audience)
 
doxorubicin
an antibiotic used as an anticancer drug
 
DPT vaccine
abbreviation for combination vaccine against diphtheria and pertussis (whooping cough) and tetanus toxoids; usually given in a series of injections in early childhood
 
draft
a regulator for controlling the flow of air in a fireplace
 
draft
a dose of liquid medicine
 
draft
a preliminary sketch of a design or picture
 
drafting board
a smooth board on which paper is placed for making drawings
 
drafting instrument
an instrument used by a draftsman in making drawings
 
drafting table
a worktable with adjustable top
 
drag
clothing that is conventionally worn by the opposite sex (especially women's clothing when worn by a man)
 
dragee
pill that is a sugar-coated medicated candy
 
dragger
a fishing boat that uses a trawl net or dragnet to catch fish
 
dragnet
a conical fishnet dragged through the water at great depths
 
Dragunov
a sniper rifle with a telescopic sight
 
drain
tube inserted into a body cavity (as during surgery) to remove unwanted material
 
drain basket
a filter in a sink drain; traps debris but passes water
 
drain
a pipe through which liquid is carried away
 
drainage ditch
a ditch for carrying off excess water or sewage
 
drainage system
a system of watercourses or drains for carrying off excess water
 
drainboard
a board beside a kitchen sink and inclined to drain into the sink
 
drainplug
a removable plug for holding water in a tub or basin
 
Dramamine
antihistamine and antiemetic (trade name Dramamine) used to treat motion sickness
 
drape
a sterile covering arranged over a patient's body during a medical examination or during surgery in order to reduce the possibility of contamination
 
drapery
cloth gracefully draped and arranged in loose folds
 
draw
a playing card or cards dealt or taken from the pack
 
draw
anything (straws or pebbles etc.) taken or chosen at random
 
drawbar
a strong metal bar bearing a hook to attach something to be pulled
 
drawbridge
a bridge that can be raised to block passage or to allow boats or ships to pass beneath it
 
drawer
a boxlike container in a piece of furniture; made so as to slide in and out
 
drawing
a representation of forms or objects on a surface by means of lines
 
drawing card
a featured article of merchandise sold at a loss in order to draw customers
 
drawing chalk
colored chalks used by artists
 
drawing pin
a tack for attaching papers to a bulletin board or drawing board
 
drawing room
a private compartment on a sleeping car with three bunks and a toilet
 
drawing room
a formal room where visitors can be received and entertained
 
drawing string
a tie consisting of a cord that goes through a seam around an opening
 
drawknife
a woodworker's knife to shave surfaces
 
drawnwork
ornamental needlework done by drawing threads to form lacelike patterns
 
drawstring bag
a bag that is closed at the top with a drawstring
 
dreadnaught
battleship that has big guns all of the same caliber
 
dreck
merchandise that is shoddy or inferior
 
dredge
a power shovel to remove material from a channel or riverbed
 
dredger
a barge (or a vessel resembling a barge) that is used for dredging
 
dredging bucket
a bucket for lifting material from a channel or riverbed
 
dress blues
a dress uniform for formal occasions
 
dress rack
a rack used primarily to display dresses for sale in a store
 
dress shirt
a man's white shirt (with a starch front) for evening wear (usually with a tuxedo)
 
dress suit
formalwear consisting of full evening dress for men
 
dress uniform
a military uniform worn on formal occasions
 
dress
a one-piece garment for a woman; has skirt and bodice
 
dresser
a cabinet with shelves
 
dresser
low table with mirror or mirrors where one sits while dressing or applying makeup
 
dressing case
a small piece of luggage for carrying brushes and bottles and toilet articles while traveling
 
dressing gown
a robe worn before dressing or while lounging
 
dressing room
a room in which you can change clothes
 
dressing sack
a woman's loose jacket; worn while dressing
 
dressing
a cloth covering for a wound or sore
 
drier
an appliance that removes moisture
 
drift net
a large fishnet supported by floats; it drifts with the current
 
drift
a horizontal (or nearly horizontal) passageway in a mine
 
drill
a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
 
drill bit
a bit used in drilling for oil
 
drill press
a machine tool with a separate, upright stand; an electric drill is pressed into the work automatically or with a hand lever
 
drill rig
rig used in drilling for oil or gas
 
drill site
workplace that is the site of a drill hole
 
drilling pipe
a series of tubes (joined by screwed collars) that connect a drilling platform to the drilling bit; rotates the bit and supplies drilling mud
 
drilling platform
drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially
 
drinking glass
a container made of glass for holding liquids while drinking
 
drinking straw
a thin paper or plastic tube used to suck liquids into the mouth
 
drinking vessel
a vessel intended for drinking
 
drip loop
a downward hanging loop in a line that runs to a building
 
drip mat
a small mat placed under a glass to protect a surface from condensation
 
drip pan
pan under a refrigerator for collecting liquid waste
 
drip pan
pan for catching drippings under roasting meat
 
drip pot
a coffeepot for making drip coffee
 
drip
(architecture) a projection from a cornice or sill designed to protect the area below from rainwater (as over a window or doorway)
 
dripstone
a protective drip that is made of stone
 
drive
a mechanism by which force or power is transmitted in a machine
 
drive
(computer science) a device that writes data onto or reads data from a storage medium
 
drive line
mechanism that transmits power from the engine to the driving wheels of a motor vehicle
 
drive
a road leading up to a private house
 
drive
a wide scenic road planted with trees
 
drive-in
any installation designed to accommodate patrons in their automobiles
 
driven well
a well made by driving a tube into the earth to a stratum that bears water
 
driver
a golf club (a wood) with a near vertical face that is used for hitting long shots from the tee
 
driveshaft
a rotating shaft that transmits power from the engine to the point of application
 
driving axle
the axle of a self-propelled vehicle that provides the driving power
 
driving belt
a belt that carries motion from a motor to the machinery
 
driving iron
(golf) the long iron with the most nearly vertical face
 
driving range
a practice range for practicing golf shots
 
driving wheel
a wheel that drives a motor vehicle (transforms torque into a tractive force)
 
Drixoral
the trade name for a drug used to treat upper respiratory congestion; it contains an antihistamine and a bronchodilator and a vasoconstrictor
 
drogue parachute
a small parachute that pulls the main parachute from its storage pack
 
drogue
a parachute used to decelerate an object that is moving rapidly
 
drogue
restraint consisting of a canvas covered frame that floats behind a vessel; prevents drifting or maintains the heading into a wind
 
dronabinol
psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapy
 
drone
an aircraft without a pilot that is operated by remote control
 
drop
a central depository where things can be left or picked up
 
drop arch
a blunt pointed arch drawn from two centers within the span
 
drop cloth
a large piece of cloth laid over the floor or furniture while a room is being painted
 
drop earring
an earring with a pendant ornament
 
drop forge
device for making large forgings
 
drop
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
 
drop-leaf
a hinged leaf on a table that can be raised and supported by a bracket
 
drop-leaf table
a table that has a drop-leaf to enlarge its surface
 
dropper
pipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time
 
droshky
an open horse-drawn carriage with four wheels; formerly used in Poland and Russia
 
drove
a stonemason's chisel with a broad edge for dressing stone
 
drug
a substance that is used as a medicine or narcotic
 
drug of abuse
a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
 
drugget
a rug made of a coarse fabric having a cotton warp and a wool filling
 
drum brake
hydraulic brake in which friction is applied to the inside of a spinning drum by the brake shoe
 
drum printer
a line printer in which the type is mounted on a rotating drum that contains a full character set for each printing position
 
drum sander
a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor
 
drum
a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
 
drum
a cylindrical metal container used for shipping or storage of liquids
 
drumhead
a membrane that is stretched taut over a drum
 
drumstick
a stick used for playing a drum
 
dry battery
a voltaic battery consisting of two or more dry cells
 
dry cell
a small Leclanche cell containing no free liquid; the electrolyte is a paste and the negative zinc pole forms the container of the cell; used in flashlights, portable radios, etc.
 
dry dock
a large dock from which water can be pumped out; used for building ships or for repairing a ship below its waterline
 
dry fly
a fly (fisherman's lure) that skims the surface of the water
 
dry kiln
a kiln for drying and seasoning lumber
 
dry masonry
masonry without mortar
 
dry mop
a dry swab for dusting floors
 
dry mustard
a substance such that one to three tablespoons dissolved in a glass of warm water is a homemade emetic
 
dry point
a steel needle for engraving without acid on a bare copper plate
 
dry point
a print produced by dry point engraving
 
dry wall
a stone wall made with stones fitted together without mortar
 
dry wall
a wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses
 
dry-bulb thermometer
an ordinary thermometer with a dry bulb; used to measure the air temperature
 
drygoods
textiles or clothing and related merchandise
 
DSL
a generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speeds
 
dual scan display
a type of passive matrix display in which the top and bottom half of the screen are refreshed simultaneously
 
dubbing
a new soundtrack that is added to a film
 
duck
a heavy cotton fabric of plain weave; used for clothing and tents
 
duckboard
a boardwalk laid across muddy ground
 
duckpin
a bowling pin that is short and squat by comparison with a tenpin
 
duct
an enclosed conduit for a fluid
 
duct tape
a wide silvery adhesive tape intended to seal joints in sheet metal duct work but having many other uses
 
dudeen
a clay pipe with a short stem
 
duds
informal terms for clothing
 
duffel coat
a warm coat made of duffel; usually has a hood and fastens with toggles
 
duffel
a large cylindrical bag of heavy cloth; for carrying personal belongings
 
duffel
a coarse heavy woolen fabric
 
dugout
either of two low shelters on either side of a baseball diamond where the players and coaches sit during the game
 
dugout
a canoe made by hollowing out and shaping a large log
 
Duke University
a university in Durham, North Carolina
 
dulciana
the organ stop having a tone of soft sweet string quality
 
dulcimer
a trapezoidal zither whose metal strings are struck with light hammers
 
dulcimer
a stringed instrument used in American folk music; an elliptical body and a fretted fingerboard and three strings
 
dumb bomb
a bomb that falls because of gravity and is not guided to a target
 
dumbbell
an exercising weight; two spheres connected by a short bar that serves as a handle
 
dumbwaiter
a small elevator used to convey food (or other goods) from one floor of a building to another
 
dumdum
a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound
 
dummy
a figure representing the human form
 
dump
a place where supplies can be stored
 
dump truck
truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity
 
dumpcart
a cart that can be tilted to empty contents without handling
 
Dumpster
a container designed to receive and transport and dump waste
 
Dumpy level
a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
 
dunce cap
a cone-shaped paper hat formerly placed on the head of slow or lazy pupils
 
dungeon
a dark cell (usually underground) where prisoners can be confined
 
duplex
an apartment having rooms on two floors that are connected by a staircase
 
duplex
a house with two units sharing a common wall
 
duplicate
a copy that corresponds to an original exactly
 
duplicate
something additional of the same kind
 
durable press
a fabric that has been chemically processed to resist wrinkles and hold its shape
 
durbar
the room in the palace of a native prince of India in which audiences and receptions occur
 
dust bag
a bag into which dirt is sucked by a vacuum cleaner
 
dust coat
a loose coverall (coat or frock) reaching down to the ankles
 
dust cover
a removable plastic protective covering for a piece of equipment
 
dust cover
a large piece of cloth used to cover furniture that is not in use for a long period
 
dustcart
a truck for collecting domestic refuse
 
dustcloth
a piece of cloth used for dusting
 
dustpan
a short-handled receptacle into which dust can be swept
 
Dutch door
an exterior door divided in two horizontally; either half can be closed or open independently
 
Dutch hoe
a hoe that is used by pushing rather than pulling
 
Dutch oven
an oven consisting of a metal box for cooking in front of a fire
 
Dutch oven
iron or earthenware cooking pot; used for stews
 
DVD
a digital recording (as of a movie) on an optical disk that can be played on a computer or a television set
 
dye-works
a workshop where dyeing is done
 
dynamite
an explosive containing nitrate sensitized with nitroglycerin absorbed on wood pulp
 
dynamo
generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature
 
dynamometer
measuring instrument designed to measure power
 
Dynapen
antibacterial (trade name Dynapen) used to treat staphylococcal infections that are resistant to penicillin
 
E-bomb
a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings
 
Eames chair
a chair designed by Charles Eames; originally made of molded plywood; seat and back shaped to fit the human body
 
ear hole
a hole (as in a helmet) for sound to reach the ears
 
ear trumpet
a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
 
earflap
one of two flaps attached to a cap to keep the ears warm
 
early warning radar
a radar that is part of an early warning system
 
early warning system
a network of radar installations designed to detect enemy missiles or aircraft while there is still time to intercept them
 
earmuff
either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather
 
earphone
electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear
 
earplug
a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
 
earplug
an earphone that is inserted into the ear canal
 
earring
jewelry to ornament the ear; usually clipped to the earlobe or fastened through a hole in the lobe
 
earth
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
 
earth-closet
a small outbuilding with a bench having holes through which a user can defecate
 
earthenware
ceramic ware made of porous clay fired at low heat
 
earthwork
an earthen rampart
 
easel
an upright tripod for displaying something (usually an artist's canvas)
 
easy chair
a comfortable upholstered armchair
 
eatery
a building where people go to eat
 
eau de toilette
a perfumed liquid lighter than cologne
 
eaves
the overhang at the lower edge of a roof
 
ecce homo
a representation (a picture or sculpture) of Jesus wearing a crown of thorns
 
ecclesiastical attire
attire that is appropriate to wear in a church
 
echelon
a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
 
echinus
ovolo molding between the shaft and the abacus of a Doric column
 
echo chamber
an enclosed space for producing reverberation of a sound
 
echocardiograph
a sonograph that creates an image of the heart and its abnormalities
 
echoencephalograph
a sonograph that creates an image of the brain and its abnormalities
 
echogram
an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs
 
Edecrin
diuretic (trade name Edecrin) used to treat edema
 
edge
a sharp side formed by the intersection of two surfaces of an object
 
edge
the outside limit of an object or area or surface; a place farthest away from the center of something
 
edge tool
any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)
 
edger
garden tool for cutting grass around the edges of a yard
 
edging
border consisting of anything placed on the edge to finish something (such as a fringe on clothing or on a rug)
 
Edronax
an antidepressant drug that blocks the reuptake of norepinephrine
 
EDS
a rapid automatic system to detect plastic explosives in passengers' luggage using X-ray technology and computers; designed for use in airports
 
efficiency apartment
a furnished apartment with a kitchenette and bathroom
 
effigy
a representation of a person (especially in the form of sculpture)
 
egg cup
dishware consisting of a small cup for serving a boiled egg
 
egg timer
a sandglass that runs for three minutes; used to time the boiling of eggs
 
egg-and-anchor
a decorative molding; a series of egg-shaped figures alternating with another shape
 
eggbeater
a mixer for beating eggs or whipping cream
 
Eiffel Tower
a wrought iron tower 300 meters high that was constructed in Paris in 1889; for many years it was the tallest man-made structure
 
eight ball
a black pool ball bearing the number 8; should be the last to go in certain pool games
 
eight
one of four playing cards in a deck with eight pips on the face
 
eightpenny nail
a nail 2.5 inches long
 
el
a railway that is powered by electricity and that runs on a track that is raised above the street level
 
elastic
a fabric made of yarns containing an elastic material
 
elastic bandage
a bandage containing stretchable material that can apply local pressure
 
elastic device
any flexible device that will return to its original shape when stretched
 
elastic
a narrow band of elastic rubber used to hold things (such as papers) together
 
Elastoplast
an elastic adhesive bandage for covering cuts or wounds
 
Elavil
a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications
 
elbow
the part of a sleeve that covers the elbow joint
 
elbow
a sharp bend in a road or river
 
elbow
a length of pipe with a sharp bend in it
 
elbow pad
protective garment consisting of a pad worn over the elbow by football and hockey players
 
electric bell
a bell activated by the magnetic effect of an electric current
 
electric blanket
a blanket containing and electric heating element that can be controlled to the desired temperature by a rheostat
 
electric clock
a clock using a small electric motor
 
electric drill
a rotating power drill powered by an electric motor
 
electric eye
a transducer used to detect and measure light and other radiations
 
electric fire
a small electric space heater
 
electric frying pan
a frying pan heated by electricity
 
electric furnace
any furnace in which the heat is provided by an electric current
 
electric guitar
a guitar whose sound is amplified by electrical means
 
electric hammer
a hammer driven by electric motor
 
electric lamp
a lamp powered by electricity
 
electric locomotive
a locomotive that is powered by an electric motor
 
electric main
a main that distributes electricity
 
electric meter
a meter for measuring the amount of electric power used
 
electric mixer
a food mixer powered by an electric motor
 
electric motor
a motor that converts electricity to mechanical work
 
electric outlet
receptacle providing a place in a wiring system where current can be taken to run electrical devices
 
electric range
a kitchen range in which the heat for cooking is provided by electric power
 
electric razor
a razor powered by an electric motor
 
electric refrigerator
a refrigerator in which the coolant is pumped around by an electric motor
 
electric socket
a socket into which a lightbulb can be inserted
 
electric switch
control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
 
electric thermometer
a thermometer that uses thermoelectric current to measure temperature
 
electric toothbrush
a toothbrush with an electric motor in the handle that vibrates the head of the brush
 
electric typewriter
a typewriter powered by an electric motor
 
electric
a car that is powered by electricity
 
electric-discharge lamp
an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube
 
electrical cable
a cable that provides an electrical connection for telephone or television or power stations
 
electrical contact
contact that allows current to pass from one conductor to another
 
electrical converter
converter that converts alternating current into direct current or vice versa
 
electrical device
a device that produces or is powered by electricity
 
electrical fuse
an electrical device that can interrupt the flow of electrical current when it is overloaded
 
electrical plant
utility that provides electricity
 
electrical relay
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
 
electrical system
equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio
 
electro-acoustic transducer
a transducer that converts electrical to acoustic energy or vice versa
 
electrode
a conductor used to make electrical contact with some part of a circuit
 
electrodynamometer
measuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power
 
electroencephalograph
medical instrument that records electric currents generated by the brain
 
electrograph
electrical device used for etching by electrolytic means
 
electrograph
an apparatus for the electrical transmission of pictures
 
electrolytic cell
a cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen)
 
electrolytic
a fixed capacitor consisting of two electrodes separated by an electrolyte
 
electromagnet
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
 
electromagnetic delay line
a delay line based on the time of propagation of electromagnetic waves
 
electromechanical device
a mechanical device that is operated by electricity
 
electrometer
meter to measure electrostatic voltage differences; draws no current from the source
 
electromyograph
a medical instrument that records the electrical waves associated with the activity of skeletal muscles
 
electron accelerator
collider that consists of an accelerator that collides electrons and positrons
 
electron gun
the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
 
electron lens
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
 
electron microscope
a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
 
electron multiplier
a vacuum tube that amplifies a flow of electrons
 
electron tube
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
 
electronic balance
a balance that generates a current proportional to the displacement of the pan
 
electronic converter
(telecommunication) converter for converting a signal from one frequency to another
 
electronic device
a device that accomplishes its purpose electronically
 
electronic equipment
equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
 
electronic fetal monitor
an electronic monitor that monitors fetal heartbeat and the mother's uterine contractions during childbirth
 
electronic instrument
a musical instrument that generates sounds electronically
 
electronic network
(electronics) a system of interconnected electronic components or circuits
 
electronic scanner
a radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition
 
electronic stylus
(computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
 
electronic transistor
a semiconductor device capable of amplification
 
electronic voltmeter
a voltmeter whose sensitivity is increased by amplification
 
electrophorus
a simple electrostatic generator that generates repeated charges of static electricity
 
electroplate
any artifact that has been plated with a thin coat of metal by electrolysis
 
electroscope
measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign
 
electrostatic printer
a printer that uses an electric charge to deposit toner on paper
 
elevation
drawing of an exterior of a structure
 
elevator
the airfoil on the tailplane of an aircraft that makes it ascend or descend
 
elevator shaft
a vertical shaft in a building to permit the passage of an elevator from floor to floor
 
elevator
lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one floor to another in a building
 
Elixophyllin
a colorless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
 
ell
an extension at the end and at right angles to the main building
 
elongation
an addition to the length of something
 
Elspar
antineoplastic drug (trade name Elspar) sometimes used to treat lymphoblastic leukemia
 
embankment
a long artificial mound of stone or earth; built to hold back water or to support a road or as protection
 
embassy
a diplomatic building where ambassadors live or work
 
embellishment
a superfluous ornament
 
emblem
special design or visual object representing a quality, type, group, etc.
 
embossment
sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background
 
embouchure
the aperture of a wind instrument into which the player blows directly
 
embrasure
an opening (in a wall or ship or armored vehicle) for firing through
 
embrocation
a medicinal liquid that is rubbed into the skin to relieve muscular stiffness and pain
 
embroidery frame
a frame made of two hoops; used for embroidering
 
embroidery stitch
a stitch made with thread and a threaded sewing needle through fabric or leather
 
embroidery
decorative needlework
 
emergency exit
a stairway (often on the outside of a building) that permits exit in the case of fire or other emergency
 
emergency
a brake operated by hand; usually operates by mechanical linkage
 
emery wheel
a wheel composed of abrasive material; used for grinding
 
emesis basin
a basin used by bedridden patients for vomiting
 
emetic
a medicine that induces nausea and vomiting
 
Emetrol
trade name for an antiemetic drug that has a mint flavor
 
emitter
the electrode in a transistor where electrons originate
 
empennage
the rear part of an aircraft
 
Empire State Building
a skyscraper built in New York City in 1931; 1250 feet tall
 
emplacement
military installation consisting of a prepared position for siting a weapon
 
empty
a container that has been emptied
 
emulsion
a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
 
enamel
any smooth glossy coating that resembles ceramic glaze
 
enamel
a paint that dries to a hard glossy finish
 
enamelware
cooking utensil of enameled iron
 
Enbrel
a genetically engineered anti-TNF compound (trade name Enbrel) consisting of receptors that bind TNF; it is injected twice a week in the treatment of rheumatoid arthritis
 
encaustic
a paint consisting of pigment mixed with melted beeswax; it is fixed with heat after application
 
encephalogram
an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast
 
enclosure
a structure consisting of an area that has been enclosed for some purpose
 
encrustation
a decorative coating of contrasting material that is applied to a surface as an inlay or overlay
 
encumbrance
any obstruction that impedes or is burdensome
 
end product
final product; the things produced
 
end
a piece of cloth that is left over after the rest has been used or sold
 
endoscope
a long slender medical instrument for examining the interior of a bodily organ or performing minor surgery
 
endotracheal tube
a catheter that is inserted into the trachea through the mouth or nose in order to maintain an open air passage or to deliver oxygen or to permit the suctioning of mucus or to prevent aspiration of the stomach contents
 
energiser
a device that supplies electrical energy
 
engagement ring
a ring given and worn as a sign of betrothal
 
engine
motor that converts thermal energy to mechanical work
 
engine
an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.
 
engine room
a room (as on a ship) in which the engine is located
 
engine
a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks
 
enginery
machinery consisting of engines collectively
 
English cavalry saddle
a saddle having a steel cantle and pommel and no horn
 
English concertina
a concertina developed in England
 
English horn
a double-reed woodwind instrument similar to an oboe but lower in pitch
 
engraving
a block or plate or other hard surface that has been engraved
 
engraving
a print made from an engraving
 
Enkaid
antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
 
enlarger
photographic equipment consisting of an optical projector used to enlarge a photograph
 
Enovid
trade name for an oral contraceptive containing mestranol and norethynodrel
 
ensemble
a coordinated outfit (set of clothing)
 
ensign
colors flown by a ship to show its nationality
 
entablature
(architecture) the structure consisting of the part of a classical temple above the columns between a capital and the roof
 
entanglement
an intricate trap that entangles or ensnares its victim
 
enteric-coated aspirin
aspirin that is treated to pass through the stomach unaltered and to dissolve in the intestines
 
entertainment center
a wall unit containing sound and television systems
 
entrance
something that provides access (to get in or get out)
 
entrant
a commodity that enters competition with established merchandise
 
entrenching tool
a hand shovel carried by infantrymen for digging trenches
 
entrenchment
an entrenched fortification; a position protected by trenches
 
entresol
intermediate floor just above the ground floor
 
envelope
any wrapper or covering
 
envelope
a flat (usually rectangular) container for a letter, thin package, etc.
 
envelope
the bag containing the gas in a balloon
 
eolith
a crude stone artifact (as a chipped flint); possibly the earliest tools
 
epaulet
adornment consisting of an ornamental cloth pad worn on the shoulder
 
epauliere
armor plate that protects the shoulder
 
epee
a fencing sword similar to a foil but with a heavier blade
 
epergne
a large table centerpiece with branching holders for fruit or sweets or flowers
 
epicyclic gear train
a system of epicyclic gears in which at least one wheel axis itself revolves about another fixed axis
 
epicyclic gear
an outer gear that revolves about a central sun gear of an epicyclic train
 
epidiascope
an optical projector that gives images of both transparent and opaque objects
 
epilating wax
a mixture of resins and waxes to remove cosmetically undesirable hair; mixture is applied hot to the surface and after cooling is pulled away taking the hairs with it
 
episode
film consisting of a succession of related shots that develop a given subject in a movie
 
EPROM
(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data
 
Epsom salts
(used with a singular noun) hydrated magnesium sulfate used as a laxative
 
equal-area map projection
a map projection in which quadrilaterals formed by meridians and parallels have an area on the map proportional to their area on the globe
 
equaliser
electronic equipment that reduces frequency distortion
 
Equanil
a sedative and tranquilizer (trade name Miltown and Equanil and Meprin) used to treat muscle tension and anxiety
 
equatorial
a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it
 
equipage
equipment and supplies of a military force
 
equipment
an instrumentality needed for an undertaking or to perform a service
 
ER
a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
 
eraser
an implement used to erase something
 
erecting prism
a right-angled optical prism used to turn an inverted image upright
 
erection
a structure that has been erected
 
Erlenmeyer flask
a conical flask with a wide base and narrow neck
 
Erythrocin
an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative
 
escalator
a stairway whose steps move continuously on a circulating belt
 
escape hatch
hatchway that provides a means of escape in an emergency
 
escape wheel
gear that engages a rocking lever
 
escape
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
 
escapement
mechanical device that regulates movement
 
escarp
a steep artificial slope in front of a fortification
 
escritoire
a desk used for writing
 
escutcheon
(nautical) a plate on a ship's stern on which the name is inscribed
 
escutcheon
a flat protective covering (on a door or wall etc) to prevent soiling by dirty fingers
 
escutcheon
a shield; especially one displaying a coat of arms
 
esophagoscope
an optical instrument for examining the inside of the esophagus
 
espadrille
a sandal with a sole made of rope or rubber and a cloth upper part
 
espalier
a trellis on which ornamental shrub or fruit tree is trained to grow flat
 
esplanade
a long stretch of open level ground (paved or grassy) for walking beside the seashore
 
espresso maker
a coffee maker that forces live steam under pressure through dark roasted coffee grounds
 
espresso shop
a cafe where espresso is served
 
essence
a toiletry that emits and diffuses a fragrant odor
 
establishment
a public or private structure (business or governmental or educational) including buildings and equipment for business or residence
 
estaminet
a small (and usually shabby) cafe selling wine and beer and coffee
 
estradiol patch
a transdermal patch that allows estradiol to be absorbed into the blood stream; used in treating estrogen deficiency and in hormone replacement therapy
 
estrogen antagonist
an antagonist for estrogen that is used in the treatment of breast cancer
 
etagere
a piece of furniture with open shelves for displaying small ornaments
 
etamin
a soft cotton or worsted fabric with an open mesh; used for curtains or clothing etc.
 
etcetera
additional unspecified odds and ends; more of the same
 
etching
an etched plate made with the use of acid
 
etching
an impression made from an etched plate
 
ETD
a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives
 
ethernet
a type of network technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second
 
ethernet cable
any of several types of coaxial cable used in ethernets
 
ethical drug
a drug that is available only with written instructions from a doctor or dentist to a pharmacist
 
Ethocaine
a white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine
 
Ethrane
a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic
 
ethyl chloride
a colorless flammable gas used as a local surface anesthetic
 
Eton collar
broad white collar worn over the lapels of a jacket
 
Eton jacket
a jacket hanging to the waist and cut square at the bottom
 
etui
small ornamental ladies' bag for small articles
 
eudiometer
measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
 
euphonium
a bass horn (brass wind instrument) that is the tenor of the tuba family
 
euphoriant
a psychoactive drug that tends to produce elation and euphoria
 
evaporative cooler
a cooling system that cools by evaporation
 
evening bag
a handbag used with evening wear
 
evening clothes
attire to wear on formal occasions in the evening
 
ewer
an open vessel with a handle and a spout for pouring
 
Excalibur
the legendary sword of King Arthur
 
excavation
a hole in the ground made by excavating
 
exchange
a workplace for buying and selling; open only to members
 
excitant
a drug that temporarily quickens some vital process
 
exercise bike
an exercise device resembling a stationary bike
 
exercise device
a device designed to provide exercise for the user
 
exerciser
sports equipment used in gymnastic exercises
 
exercising weight
sports equipment used in calisthenic exercises and weightlifting; it is not attached to anything and is raised and lowered by use of the hands and arms
 
exhaust fan
a fan that moves air out of an enclosure
 
exhaust hood
metal covering leading to a vent that exhausts smoke or fumes
 
exhaust manifold
a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe
 
exhaust pipe
a pipe through which burned gases travel from the exhaust manifold to the muffler
 
exhaust valve
a valve through which burned gases from a cylinder escape into the exhaust manifold
 
exhaust
system consisting of the parts of an engine through which burned gases or steam are discharged
 
exhibition area
a large hall for holding exhibitions
 
exit
an opening that permits escape or release
 
Exocet
a guided missile developed by the French government for use against ships
 
expansion bit
a bit with a cutting blade that can be adjusted to different sizes
 
expansion bolt
a bolt that has an attachment that expands as the bolt is driven into a surface
 
expansion slot
(computer) a socket in a microcomputer that will accept a plug-in circuit board
 
expectorant
a medicine promoting expectoration
 
explosive
a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
 
explosive compound
a compound that is explosive
 
explosive device
device that bursts with sudden violence from internal energy
 
explosive mixture
a mixture that is explosive
 
export
commodities (goods or services) sold to a foreign country
 
exposure meter
photographic equipment that measures the intensity of light
 
exposure
a representation of a person or scene in the form of a print or transparent slide or in digital format
 
express luxury liner
a liner equipped for sumptuous living
 
express
public transport consisting of a fast train or bus that makes only a few scheduled stops
 
expressway
a broad highway designed for high-speed traffic
 
extension cord
an electric cord used to extend the length of a power cord
 
extension ladder
a ladder whose length can be extended
 
extension
an additional telephone set that is connected to the same telephone line
 
exterior door
a doorway that allows entrance to or exit from a building
 
external drive
a drive with its own power supply and fan mounted outside the computer system enclosure and connected to the computer by a cable
 
external-combustion engine
a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy
 
extractor
an instrument for extracting tight-fitting components
 
eye
a small hole or loop (as in a needle)
 
eye cup
a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
 
eyebrow pencil
makeup provided by a cosmetic pencil that is used to darken the eyebrows
 
eyeglass
lens for correcting defective vision in one eye; held in place by facial muscles
 
eyeglasses
(plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
 
eyehole
a small hole (usually round and finished around the edges) in cloth or leather for the passage of a cord or hook or bar
 
eyehole
a hole (in a door or an oven etc) through which you can peep
 
eyeliner
makeup applied to emphasize the shape of the eyes
 
eyepatch
a protective cloth covering for an injured eye
 
eyepiece
combination of lenses at the viewing end of optical instruments
 
eyeshadow
makeup consisting of a cosmetic substance used to darken the eyes
 
facade
the face or front of a building
 
face
a vertical surface of a building or cliff
 
face
the side upon which the use of a thing depends (usually the most prominent surface of an object)
 
face
the striking or working surface of an implement
 
face cloth
bath linen consisting of a piece of cloth used to wash the face and body
 
face guard
face mask consisting of a strong wire mesh on the front of football helmets
 
face mask
mask that provides a protective covering for the face in such sports as baseball or football or hockey
 
face pack
a cream that cleanses and tones the skin
 
face powder
cosmetic powder for the face
 
face towel
a small towel used to dry the hands or face
 
face veil
a piece of more-or-less transparent material that covers the face
 
faceplate
a protective covering for the front of a machine or device (as a door lock or computer component)
 
facility
a building or place that provides a particular service or is used for a particular industry
 
facing
a lining applied to the edge of a garment for ornamentation or strengthening
 
facing
an ornamental coating to a building
 
facsimile
duplicator that transmits the copy by wire or radio
 
factory ship
a whaling ship equipped to process whale products at sea
 
factory whistle
a whistle at a factory that is sounded to announce times for starting or stopping work
 
factory
a plant consisting of one or more buildings with facilities for manufacturing
 
FAE
a device consisting of a container of fuel and two explosive charges; the first charge bursts open the fuel container at a predetermined height and spreads the fuel in a cloud that mixes with atmospheric oxygen; the second charge detonates the cloud which creates an enormous blast wave and incinerates whatever is below
 
fag end
the frayed end of a length of cloth or rope
 
faggot stitch
the stitch that ties a group of parallel threads together in fagoting
 
faggot
a bundle of sticks and branches bound together
 
faggoting
embroidery in which groups of parallel threads are tied together with fagot stitches
 
Fahrenheit thermometer
a thermometer calibrated in degrees Fahrenheit
 
faience
glazed earthenware decorated with opaque colors
 
fail-safe
a mechanism capable of returning to a safe state in case there is a failure or malfunction
 
faille
a ribbed woven fabric of silk or rayon or cotton
 
fairlead
a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
 
fairy light
a small colored light used for decoration (especially at Christmas)
 
fake book
a fake in the form of an imitation book; used to fill bookcases of people who wish to appear scholarly
 
fake
something that is a counterfeit; not what it seems to be
 
falchion
a short broad slightly convex medieval sword with a sharp point
 
falderol
ornamental objects of no great value
 
fallboard
the hinged protective covering that protects the keyboard of a piano when it is not being played
 
fallout shelter
a shelter to protect occupants from the fallout from an atomic bomb
 
false bottom
a horizontal structure that partitions a ship or box (especially one built close to the actual bottom)
 
false face
a mask worn as part of a masquerade costume
 
false hair
a covering or bunch of human or artificial hair used for disguise or adornment
 
false teeth
a removable denture
 
falsie
padding that is worn inside a brassiere
 
family circle
rearmost or uppermost area in the balcony containing the least expensive seats
 
family room
a recreation room in a private house
 
fan
a device for creating a current of air by movement of a surface or surfaces
 
fan belt
a belt driven by the crankshaft that drives a fan that pulls air through the radiator
 
fan blade
blade of a rotating fan
 
fan tracery
the carved tracery on fan vaulting
 
fan vaulting
an elaborate system of vaulting in which the ribs diverge like fans
 
fancy dress
a costume worn as a disguise at a masquerade party
 
fancy goods
goods that are chiefly ornamental
 
fanion
a small flag used by surveyors or soldiers to mark a position
 
fanjet
a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
 
fanjet
an airplane propelled by a fanjet engine
 
fanlight
a semicircular window over a door or window; usually has sash bars like the ribs of a fan
 
fanlight
a window in a roof to admit daylight
 
fanlight
a window above a door that is usually hinged to a horizontal crosspiece over the door
 
fantail
an overhang consisting of the fan-shaped part of the deck extending aft of the sternpost of a ship
 
farm
workplace consisting of farm buildings and cultivated land as a unit
 
farm building
a building on a farm
 
farm machine
a machine used in farming
 
farmer's market
an open-air marketplace for farm products
 
farmhouse
house for a farmer and family
 
farmplace
a farm together with its buildings
 
farmyard
an area adjacent to farm buildings
 
farthingale
a hoop worn beneath a skirt to extend it horizontally; worn by European women in the 16th and 17th centuries
 
fashion
consumer goods (especially clothing) in the current mode
 
fashion plate
a plate illustrating the latest fashion in dress
 
fast lane
the traffic lane for vehicles that are moving rapidly
 
fast reactor
nuclear reactor in which nuclear fissions are caused by fast neutrons because little or no moderator is used
 
fastener
restraint that attaches to something or holds something in place
 
fastness
a strongly fortified defensive structure
 
fat farm
a health spa that specializes in helping people lose weight
 
fathometer
depth finder for determining depth of water or a submerged object by means of ultrasound waves
 
fatigues
military uniform worn by military personnel when doing menial labor
 
faucet
a regulator for controlling the flow of a liquid from a reservoir
 
fauld
a piece of armor plate below the breastplate
 
fauteuil
an upholstered armchair
 
favor
souvenir consisting of a small gift given to a guest at a party
 
feather bed
a mattress stuffed with feathers
 
featheredge
a thin tapering edge
 
feature
an article of merchandise that is displayed or advertised more than other articles
 
feedback circuit
a circuit that feeds back some of the output to the input of a system
 
feedbag
a canvas bag that is used to feed an animal (such as a horse); covers the muzzle and fastens at the top of the head
 
feeder line
a branching path off of a main transportation line (especially an airline)
 
feeder
a machine that automatically provides a supply of some material
 
feeding chair
a chair for feeding a very young child; has four long legs and a footrest and a detachable tray
 
feedlot
a building where livestock are fattened for market
 
Feldene
a nonsteroidal anti-inflammatory drug (trade name Feldene) used to treat arthritis and other inflammatory conditions
 
fell
seam made by turning under or folding together and stitching the seamed materials to avoid rough edges
 
felloe
rim (or part of the rim) into which spokes are inserted
 
felt
a fabric made of compressed matted animal fibers
 
felucca
a fast narrow sailing ship of the Mediterranean
 
fence rail
a rail that is split from a log
 
fence
a barrier that serves to enclose an area
 
fencer's mask
a face mask made of fine mesh that is worn over a fencer's face
 
fencing sword
a sword used in the sport of fencing
 
fender
a low metal guard to confine falling coals to a hearth
 
fender
a barrier that surrounds the wheels of a vehicle to block splashing water or mud
 
fenestella
oval or circular opening; to allow light into a dome or vault
 
Feosol
trade name of a drug rich in iron; used to treat some kinds of anemia
 
Fergon
trade name of a drug rich in iron; used to treat some types of anemia
 
Ferris wheel
a vertical rotating mechanism consisting of a large wheel with suspended seats that remain upright as the wheel rotates; provides a ride at an amusement park
 
ferry
a boat that transports people or vehicles across a body of water and operates on a regular schedule
 
fertility drug
a drug used to increase a woman's fertility
 
ferule
a switch (a stick or cane or flat paddle) used to punish children
 
fess
(heraldry) an ordinary consisting of a broad horizontal band across a shield
 
festoon
an embellishment consisting of a decorative representation of a string of flowers suspended between two points; used on pottery or in architectural work
 
festoon
a curtain of fabric draped and bound at intervals to form graceful curves
 
festoon
flower chains suspended in curves between points as a decoration
 
FET
a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
 
fetich
a charm superstitiously believed to embody magical powers
 
fetoscope
a stethoscope placed on the pregnant woman's abdomen to listen for the fetal heartbeat
 
fetter
a shackle for the ankles or feet
 
fez
a felt cap (usually red) for a man; shaped like a flat-topped cone with a tassel that hangs from the crown
 
fiber optic cable
a cable made of optical fibers that can transmit large amounts of information at the speed of light
 
fiber
a leatherlike material made by compressing layers of paper or cloth
 
fiberboard
wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets
 
fiberscope
a flexible medical instrument involving fiber optics that is used to examine internal organs
 
fichu
a lightweight triangular scarf worn by a woman
 
fiddle
bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow
 
fiddlestick
a bow used in playing the violin
 
field artillery
movable artillery (other than antiaircraft) used by armies in the field (especially for direct support of front-line troops)
 
field coil
the electric coil around a field magnet that produces the magneto motive force to set up the flux in an electric machine
 
field glass
a small refracting telescope
 
field hockey ball
ball used in playing field hockey
 
field hospital
a temporary military hospital near the battle lines
 
field house
an athletic facility where athletes prepare for sport
 
field house
a building for indoor sports
 
field lens
the lens that is farthest from the eye in an optical device with more than one lens
 
field magnet
a magnet that provides a magnetic field in a dynamo or electric motor
 
field tent
a canvas tent for use in the field
 
field-emission microscope