visible radiation

Definitions of visible radiation
  1. noun
    (physics) electromagnetic radiation that can produce a visual sensation
    synonyms: light, visible light
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    beam, beam of light, irradiation, light beam, ray, ray of light, shaft, shaft of light
    a column of light (as from a beacon)
    candle flame, candlelight
    the light provided by a burning candle
    one or more circles of light seen around a luminous object
    counterglow, gegenschein
    a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space
    light during the daytime
    the light of a fire (especially in a fireplace)
    light emitted during absorption of radiation of some other (invisible) wavelength
    friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wisp
    a pale light sometimes seen at night over marshy ground
    light yielded by the combustion of illuminating gas
    glow, glowing, radiance
    the amount of electromagnetic radiation leaving or arriving at a point on a surface
    a steady even light without flames
    a greyish light (as at dawn or dusk or in dim interiors)
    glow, incandescence
    the phenomenon of light emission by a body as its temperature is raised
    light from a lamp
    luminescence, phosphorescence
    light not due to incandescence; occurs at low temperatures
    meteor, shooting star
    a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and air friction causes the meteoroid to melt or vaporize or explode
    Moon, moonlight, moonshine
    the light of the Moon
    the light of the stars
    sun, sunlight, sunshine
    the rays of the sun
    (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
    light that streams
    light from a torch or torches
    the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth
    aureole, corona
    the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
    self-induced fluorescence
    sky glow
    illumination of the night sky in urban areas
    heat ray
    a ray that produces a thermal effect
    high beam
    the beam of a car's headlights that provides distant illumination
    luminescence produced by physiological processes (as in the firefly)
    luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies
    bolide, fireball
    an especially luminous meteor (sometimes exploding)
    moon ray, moon-ray, moonbeam
    a ray of moonlight
    a sudden emergence of the sun from behind clouds
    sunbeam, sunray
    a ray of sunlight
    laser beam
    a beam of light generated by a laser
    low beam
    the beam of a car's headlights that provides illumination for a short distance
    a fluorescence that persists after the bombarding radiation has ceased
    type of:
    actinic radiation, actinic ray
    electromagnetic radiation that can produce photochemical reactions
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