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   Lu·mi·nes·cence

   /ˌlo͞oməˈnes(ə)ns/

   

   noun

   • 1. the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence: "honey fungus produces a ghostly greenish luminescence"

   Word Origin late 19th century: from Latin lumen, lumin- ‘light’ + -escence (denoting a state).

   Scrabble Points: 18

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