luminescence

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luminescence in WordNet English dictionary

noun

light from nonthermal sources
luminescence glow
light not due to incandescence; occurs at low temperatures
luminescence

WordNet Lexical Database v3.0, © 2006 Princeton University

luminescence in English Wiktionary

(noun) (context/physics) Any emission of light that cannot be attributed merely to the temperature of the emitting body.

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