ray

Noun
  1. A column of light (as from a beacon) (synset 111448137)
    is a type of: light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation
    subtypes:
    same as: beam, beam of light, irradiation, light beam, ray of light, shaft, shaft of light
  2. A branch of an umbel or an umbelliform inflorescence (synset 113152275)
    is a type of: pedicel, pedicle - a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle
  3. (mathematics) a straight line extending from a point (synset 113936442)
    referred to in: math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
    is a type of: vector - a straight line segment whose length is magnitude and whose orientation in space is direction
  4. A group of nearly parallel lines of electromagnetic radiation (synset 111448493)
    is a type of: electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
    subtypes:
    • cathode ray - a beam of electrons emitted by the cathode of an electrical discharge tube
    • particle beam - a collimated flow of particles (atoms or electrons or molecules)
    same as: beam, electron beam
  5. The syllable naming the second (supertonic) note of any major scale in solmization (synset 106881495)
    is a type of: solfa syllable - one of the names for notes of a musical scale in solmization
    same as: re
  6. Any of the stiff bony spines in the fin of a fish (synset 101903360)
    is a type of: spine - a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
    is a part of: fin - organ of locomotion and balance in fishes and some other aquatic animals
  7. Cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside;
    Most swim by moving the pectoral fins (synset 101498342)
    is a type of: elasmobranch, selachian - any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
    subtypes:
    • crampfish, electric ray, numbfish, torpedo - any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
    • sawfish - primitive ray with sharp teeth on each edge of a long flattened snout
    • guitarfish - primitive tropical bottom-dwelling ray with a guitar-shaped body
    • stingray - large venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds
    • eagle ray - powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays
    • devilfish, manta, manta ray - extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
    • skate - large edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins
Verb
  1. Emit as rays (synset 202774389)
    "That tower rays a laser beam for miles across the sky"
    is a type of: emit, give off, give out - give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
  2. Extend or spread outward from a center or focus or inward towards a center (synset 202692794)
    "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions"
    is a type of: extend, go, lead, pass, run - stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point
    same as: radiate
  3. Expose to radiation (synset 200292206)
    "irradiate food"
    is a type of: process, treat - subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition
    subtypes: bombard - direct high energy particles or radiation against
    same as: irradiate

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