scintillation in WordNet English dictionary

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