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scintillation

scin·til·la·tion [ sìnt'l áysh'n ] (plural scin·til·la·tions)


noun 
Definition:
 
1. flash: a bright flash of light or spark

2. emission: the emission of flashes and sparks of light

3. astronomy twinkling of stars: the twinkling of stars, caused by refraction of light rays from the stars because of different densities in the Earth's atmosphere

4. physics flash of light: a flash of light caused by the impact of particles or photons

5. liveliness: dazzling liveliness, cleverness, or wit ( formal )

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