magnetron: Meaning and Definition of

mag•ne•tron

Pronunciation: (mag'ni-tron"), [key]
— n. Electronics.
  1. a two-element vacuum tube in which the flow of electrons is under the influence of an external magnetic field, used to generate extremely short radio waves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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