scintillation
noun
- the act of scintillating; sparkling
- a spark; flash
- a brilliant display of wit
- Astron. the twinkling of the stars caused by density changes in the atmosphere
- Nuclear Physics the flash of light made by ionizing radiation upon striking a crystal detector or a phosphor
See scintillation in American Heritage Dictionary 4
(sĭnˌtl-āˈshən)
noun- The act of scintillating.
- A spark; a flash.
- Astronomy Rapid variation in the light of a celestial body caused by turbulence in Earth's atmosphere; a twinkling.
- Physics A flash of light produced in a phosphor by absorption of an ionizing particle or photon.
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