visible light | | |
n. (phenomenon) | 1. light, visible light, 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" |
| ~ actinic radiation, actinic ray | electromagnetic radiation that can produce photochemical reactions. |
| ~ beam of light, light beam, ray, ray of light, shaft of light, irradiation, beam, shaft | a column of light (as from a beacon). |
| ~ candle flame, candlelight | the light provided by a burning candle. |
| ~ 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). |
| ~ incandescence, glow | the phenomenon of light emission by a body as its temperature is raised. |
| ~ 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. |
| ~ sunlight, sunshine, sun | the rays of the sun.; "the shingles were weathered by the sun and wind" |
| ~ 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. |
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