| 单词 | visible light |
| 释义 | visible light (once / 57656 pages) n WORD FAMILY visible light: visible lights USAGE EXAMPLESAnd an underlying drawing, unseen in visible light, revealed that the image was based on specific dress and facial patterns. Washington Post(Dec 21, 2016) The neutron star shines much brighter in x-rays than in visible light. Science Magazine(Nov 30, 2016) Each layer has a function: semiconductors or sensitizers absorb visible light, and other materials carry electrical charges to electrodes. Nature(Nov 22, 2016) n (physics) electromagnetic radiation that can produce a visual sensation Syn|Hypo|Hyper light, visible radiation 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, candlelightthe light provided by a burning candle coronaone or more circles of light seen around a luminous object counterglow, gegenscheina 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 daylightlight during the daytime firelightthe light of a fire (especially in a fireplace) fluorescencelight emitted during absorption of radiation of some other (invisible) wavelength friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wispa pale light sometimes seen at night over marshy ground gaslightlight yielded by the combustion of illuminating gas glow, glowing, radiancethe amount of electromagnetic radiation leaving or arriving at a point on a surface glowa steady even light without flames half-lighta greyish light (as at dawn or dusk or in dim interiors) glow, incandescencethe phenomenon of light emission by a body as its temperature is raised lamplightlight from a lamp luminescencelight not due to incandescence; occurs at low temperatures meteor, shooting stara 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, moonshinethe light of the Moon starlightthe light of the stars sun, sunlight, sunshinethe rays of the sun scintillation(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle streamerlight that streams torchlightlight from a torch or torches twilightthe diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth aureole, coronathe outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse autofluorescenceself-induced fluorescence sky glowillumination of the night sky in urban areas heat raya ray that produces a thermal effect high beamthe beam of a car's headlights that provides distant illumination bioluminescenceluminescence produced by physiological processes (as in the firefly) chemiluminescenceluminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies bolide, fireballan especially luminous meteor (sometimes exploding) moon ray, moon-ray, moonbeama ray of moonlight sunbursta sudden emergence of the sun from behind clouds sunbeam, sunraya ray of sunlight laser beama beam of light generated by a laser low beamthe beam of a car's headlights that provides illumination for a short distance phosphorescencea fluorescence that persists after the bombarding radiation has ceased actinic radiation, actinic ray electromagnetic radiation that can produce photochemical reactions |
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