definition of
scintillation

[1] #1 scintillation n. (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle. wn

[2] #2 scintillation n. [twinkle, sparkling] a rapid change in brightness; a brief spark or flash. wn

[3] #3 scintillation n. a brilliant display of wit. wn

[4] #4 scintillation n. [glitter, glister, glisten, sparkle] the quality of shining with a bright reflected light. wn

[5] #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