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(General Physics) electromagnetic radiation that causes the sensation of sight; light. It has wavelengths between about 380 and 780 nanometres
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|Noun||1.||visible radiation - (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"|
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
light beam, ray, ray of light, beam of light, shaft of light, irradiation, beam, shaft - a column of light (as from a beacon)
corona - 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
daylight - light during the daytime
electromagnetic spectrum - the entire frequency range of electromagnetic waves
firelight - the light of a fire (especially in a fireplace)
fluorescence - 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
gaslight - light yielded by the combustion of illuminating gas
glowing, radiance, glow - the amount of electromagnetic radiation leaving or arriving at a point on a surface
glow - a steady even light without flames
half-light - a greyish light (as at dawn or dusk or in dim interiors)
lamplight - light from a lamp
luminescence - light not due to incandescence; occurs at low temperatures
shooting star, meteor - 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
moonlight, moonshine, Moon - the light of the Moon; "moonlight is the smuggler's enemy"; "the Moon was bright enough to read by"
starlight - the light of the stars
scintillation - (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
streamer - light that streams; "streamers of flames"
torchlight - light from a torch or torches
twilight - the diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth