os

Noun
  1. A mouth or mouthlike opening (synset 105309921)
    is a type of: opening, orifice, porta - an aperture or hole that opens into a bodily cavity
  2. A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals;
    The heaviest metal known (synset 114672085)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    same as: atomic number 76, osmium
  3. (computer science) software that controls the execution of computer programs and may provide various services (synset 106580310)
    referred to in: computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
    is a type of: computer software, package, software, software package, software program, software system - (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
    subtypes:
    has: executive program, supervisor, supervisory program - a program that controls the execution of other programs
    is a part of: platform - the combination of a particular computer and a particular operating system
    same as: operating system
  4. The left eye (synset 105319752)
    is a type of: eye, oculus, optic - the organ of sight
    same as: oculus sinister
  5. Rigid connective tissue that makes up the skeleton of vertebrates (synset 105277400)
    is a type of: connective tissue - tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments
    subtypes:
    • furcula - a forked bone formed by the fusion of the clavicles of most birds
    • splint bone - a rudimentary metacarpal or metatarsal bone on either side of the cannon bone in the leg of a horse or related animal
    • fetter bone, pastern - the part between the fetlock and the hoof
    • cannon bone - greatly developed metatarsal or metacarpal bone in the shank or cannon part of the leg in hoofed mammals
    • fishbone - a bone of a fish
    • anklebone, astragal, astragalus, talus - the bone in the ankle that articulates with the leg bones to form the ankle joint
    • bare bone - bone stripped of flesh
    • cuboid bone - the cube shaped bone on the outer side of the tarsus
    • carpal, carpal bone, wrist bone - any of the eight small bones of the wrist of primates
    • cartilage bone - any bone that develops within cartilage rather than a fibrous tissue
    • centrum - the main body of a vertebra
    • cheekbone, jugal bone, malar, malar bone, os zygomaticum, zygomatic, zygomatic bone - the arch of bone beneath the eye that forms the prominence of the cheek
    • clavicle, collarbone - bone linking the scapula and sternum
    • coccyx, tail bone - the end of the vertebral column in humans and tailless apes
    • dentin, dentine - bone (calcified tissue) surrounding the pulp cavity of a tooth
    • ethmoid, ethmoid bone - one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity
    • calcaneus, heelbone, os tarsi fibulare - the largest tarsal bone; forms the human heel
    • hipbone, innominate bone - large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
    • hyoid, hyoid bone, os hyoideum - a U-shaped bone at the base of the tongue that supports the tongue muscles
    • ilium - the upper and widest of the three bones making up the hipbone
    • ischial bone, ischium, os ischii - one of the three sections of the hipbone; situated below the ilium
    • long bone, os longum - in limbs of vertebrate animals: a long cylindrical bone that contains marrow
    • ramus - the posterior part of the mandible that is more or less vertical
    • membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull
    • metacarpal, metacarpal bone - any bone of the hand between the wrist and fingers
    • metatarsal - any bone of the foot between the ankle and the toes
    • nasal, nasal bone, os nasale - an elongated rectangular bone that forms the bridge of the nose
    • bonelet, ossicle, ossiculum - a small bone; especially one in the middle ear
    • os palatinum, palatine, palatine bone - either of two irregularly shaped bones that form the back of the hard palate and helps to form the nasal cavity and the floor of the orbits
    • phalanx - any of the bones of the fingers or toes
    • os pubis, pubic bone, pubis - one of the three sections of the hipbone; together these two bones form the front of the pelvis
    • costa, rib - any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
    • round bone - bones that are round in shape
    • sacrum - wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx
    • scapula, shoulder blade, shoulder bone - either of two flat triangular bones one on each side of the shoulder in human beings
    • os sesamoideum, sesamoid, sesamoid bone - any of several small round bones formed in a tendon where it passes over a joint
    • os breve, short bone - a bone that is of approximately equal dimension in all directions
    • os sphenoidale, sphenoid, sphenoid bone - butterfly-shaped bone at the base of the skull
    • breastbone, sternum - the flat bone that articulates with the clavicles and the first seven pairs of ribs
    • corpus sternum, gladiolus - the large central part of the breastbone
    • manubrium - the upper part of the breastbone
    • xiphoid process - smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib
    • tarsal, tarsal bone - any bone of the tarsus
    • os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
    • tooth - hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense
    • turbinal, turbinate, turbinate bone - any of the scrolled spongy bones of the nasal passages in man and other vertebrates
    • tympanic bone - the bone enclosing the middle ear
    • vertebra - one of the bony segments of the spinal column
    • arcus zygomaticus, zygoma, zygomatic arch - the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone
    • modiolus - the central conical bony pillar of the cochlea
    • lacrimal bone - small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts
    • skull - the bony skeleton of the head of vertebrates
    • calvaria, skullcap - the dome of the skull
    • braincase, brainpan, cranium - the part of the skull that encloses the brain
    • occiput - back part of the head or skull
    • sinciput - the front part of the head or skull (including the forehead)
    • jaw - the part of the skull of a vertebrate that frames the mouth and holds the teeth
    • vomer - thin trapezoidal bone of the skull forming the posterior and inferior parts of the nasal septum
    • sutural bone, wormian bone - any of the tiny soft bones found in the sutures between cranial bones
    • marrowbone - a bone containing edible marrow; used especially in flavoring soup
    has:
    is a part of: endoskeleton - the internal skeleton; bony and cartilaginous structure (especially of vertebrates)
    substance holonym:
    • collagen - a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling
    • bone, osseous tissue - the porous calcified substance from which bones are made
    substance meronym: horn - one of the bony outgrowths on the heads of certain ungulates
    same as: bone

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