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   luminescence

   /ˌluːmɪˈnɛsns/

   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

   • L

     1

   • U

     1

   • M

     3

   • I

     1

   • N

     1

   • E

     1

   • S

     1

   • C

     3

   • E

     1

   • N

     1

   • C

     3

   • E

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