Cerenkov radiation Hear it!

Cerenkov radiation definition

Ce·ren·kov· radiation (c̸hə renkôf′)

radiation emitted when a charged particle travels through a medium at a speed greater than the speed of light through that medium

Etymology: after P. A. Cerenkov (1904-90), Russ physicist

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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