English > visible radiation: 1 sense > noun 1, phenomenon| Meaning | (physics) electromagnetic radiation that can produce a visual sensation. |
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| Synonyms | light, visible light |
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| Category | physics, natural philosophy | The science of matter and energy and their interactions |
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| Part of | electromagnetic spectrum | The entire frequency range of electromagnetic waves |
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| Narrower | beam, beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation | A column of light (as from a beacon) |
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| candlelight, candle flame | 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 |
| daylight | light during the daytime |
| firelight | The light of a fire / 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 |
| 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 / incandescence |
| 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 |
| moonlight, moonshine, Moon | The light of the Moon |
| radiance, glow, glowing | The amount of electromagnetic radiation leaving or arriving at a point on a surface |
| scintillation | (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle |
| starlight | The light of the stars |
| streamer | light that streams |
| sunlight, sunshine, sun | The rays of the sun |
| 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 |
| Broader | actinic radiation, actinic ray | electromagnetic radiation that can produce photochemical reactions |
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| Spanish | luz, luz visible, radiación visible |
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| Catalan | llum |
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