Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An electron ejected from matter by ionizing radiation.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics An electron ejected by recoil when a rapidly moving alpha particle or other charged particle passes through matter.
  • noun physics A secondary ionizing particle ejected by recoil when a primary particle passes through matter.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an electron ejected from matter by ionizing radiation

Etymologies

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Examples

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