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Fluo·resce

/flo͝oˈres/

verb
- 1. shine or glow brightly due to fluorescence: "the molecules fluoresce when excited by ultraviolet radiation"
Word Origin mid 19th century: back-formation from fluorescence.
Scrabble Points: 14
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Fluorescence
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Emission of light by a substance that has absorbed light
Fluorescence is one of two kinds of emission of light by a substance that has absorbed light or other electromagnetic radiation. Fluorescence involves no change in electron spin multiplicity and generally it immediately follows absorption; phosphorescence involves spin change and is delayed. Thus fluorescent materials generally cease to glow nearly immediately when the radiation source stops, whil... Wikipedia
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