Definitions

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

  • n. A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a device in which electrons are made to resonate in a specially shaped chamber and thus produce microwave radiation; used in radar, and in microwave ovens

from the GNU version of the Collaborative International Dictionary of English

  • n. a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators.

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

  • n. a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators

Etymologies

magne(t) + -tron.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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