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scintillate

scin·til·late [ sínt'l àyt ] (past and past participle scin·til·lat·ed, present participle scin·til·lat·ing, 3rd person present singular scin·til·lates)


intransitive verb 
Definition:
 
1. sparkle and flash brightly: to give off or reflect light in sparks or flashes

2. be clever or witty: to be very lively, exciting, and entertaining, especially by saying brilliantly clever or witty things

3. physics emit light flashes: to produce sparks of light when hit by particles or photons

[Early 17th century. < Latin scintillat-, past participle of scintillare< scintilla "spark"]

scin·til·lant adjective
scin·til·lant·ly adverb
scin·til·la·tor noun
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