Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An electrically charged particle, especially an electron, emitted by a conducting material at high temperatures.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures

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

  • n. an electrically charged particle (electron or ion) emitted by a substance at a high temperature

Etymologies

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Examples

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