electron volt Hear it!

electron volt definition

electron volt

a unit of energy equal to that attained by an electron falling unimpeded through a potential difference of one volt; 1.602 × 10 joule: abbrev. eV
often written electronvolt elec′·tron·volt′

noun

or electron-volt elec′tron-volt′

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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