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

Derived forms: scintillations

Type of: alteration, brightness, brilliance, change, fluctuation, genius, light, modification, visible light, visible radiation, wavering

Encyclopedia: Scintillation