#1 scintillation n. (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle. wn
#2 scintillation n. [twinkle, sparkling] a rapid change in brightness; a brief spark or flash. wn
#3 scintillation n. a brilliant display of wit. wn
#4 scintillation n. [glitter, glister, glisten, sparkle] the quality of shining with a bright reflected light. wn
#5 scintillation n. the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight. wn
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