secondary emission Hear it!

secondary emission definition

secondary emission

  1. the emission of electrons (secondary electrons) from a material, following impact by high-speed electrons
  2. the emission of electrons or electromagnetic radiation from a liquid, solid, or gas, following impact by a charged particle or higher energy electromagnetic radiation

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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