scintillation(redirected from scintillations)
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Related to scintillations: scotomata
1. The act of scintillating.
2. A spark; a flash.
3. Astronomy Rapid variation in the light of a celestial body caused by turbulence in Earth's atmosphere; a twinkling.
4. Physics A flash of light produced in a phosphor by absorption of an ionizing particle or photon.
1. the act of scintillating
2. a spark or flash
3. (Astronomy) the twinkling of stars or radio sources, caused by rapid changes in the density of the earth's atmosphere, the interplanetary medium, or the interstellar medium, producing uneven refraction of starlight
4. (General Physics) physics a flash of light produced when a material scintillates
scin•til•la•tion(ˌsɪn tlˈeɪ ʃən)
1. the act of scintillating.
2. a spark or flash.
3. the twinkling or tremulous effect of the light of the stars.
4. a flash of light from the ionization of a phosphor struck by an energetic photon or particle.
the process of giving of sparks or flashes, used of wit or humor and of the twinkling of the stars.See also: Processes
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|Noun||1.||scintillation - (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle|
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
|2.||scintillation - a rapid change in brightness; a brief spark or flash|
|3.||scintillation - a brilliant display of wit|
|4.||scintillation - the quality of shining with a bright reflected light|
brightness - the location of a visual perception along a continuum from black to white
|5.||scintillation - the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight|