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luminescence |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Luminescence \Lu`mi*nes"cence\, n. [See {Luminescent}.] 1. (Physics) Any emission of light not ascribable directly to incandescence, and therefore occurring at low temperatures, as in phosphorescence and fluorescence or other luminous radiation resulting from vital processes, chemical action friction, solution, or the influence of light or of ultraviolet or cathode rays, etc 2. (Zo["o]l.) a The faculty or power of voluntarily producing light, as in the firefly and glowworm. b The light thus produced; luminosity; phosphorescence. From WordNet r 1.6 [wn]: luminescence n 1: light not due to incandescence; occurs at low temperatures 2: light from nonthermal sources [syn: {glow}]
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