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Definition of scintillation


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scin·til·la·tion  audio  (sntl-shn) KEY  

NOUN:
  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.



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The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
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