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