Definition of luminescence
English to English noun - light not due to incandescence; occurs at low temperatures
source: WordNet 3.0 - light from nonthermal sources
source: WordNet 3.0 - 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.
source: Webster 1913
Visual Synonyms 
Nearby Word
luminescence, lingence, lonesomeness, luminousness, lanuginose, long since, linsang, lilium michiganense, languishness, lumusong, lumasing, lankiness, lama guanicoe, lunching, longness, lankness, longnose, launching, lawmaking, longshanks
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