scintillation meaning and definition

SCINTILLATION noun

Definition of scintillation (noun)

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
   • synonyms: sparkling, twinkle
3. a brilliant display of wit
4. the quality of shining with a bright reflected light
   • synonyms: glisten, glister, glitter, sparkle
5. the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight