magnetron

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mag·ne·tron

 (măg′nĭ-trŏn′)
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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

magnetron

(ˈmæɡnɪˌtrɒn)
n
(Electronics) an electronic valve with two coaxial electrodes used with an applied magnetic field to generate high-power microwave oscillations, esp for use in radar
[C20: from magnet + electron]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mag•ne•tron

(ˈmæg nɪˌtrɒn)

n.
a two-element vacuum tube used to generate microwaves.
[1920–25; magne (to)- + -tron]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

mag·ne·tron

(măg′nĭ-trŏn′)
An electron tube that produces microwave radiation by applying magnetic and electric fields to a stream of electrons emitted by a heated filament. Magnetrons are used in radar and in microwave ovens.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.magnetron - 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 fieldsmagnetron - 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
electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube, tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
magnétron
References in periodicals archive ?
At nearly the same time, in September 1940, a British delegation led by Henry Tizard, chairman of the Aeronautical Research Board, came to the United States to share techno logical information, including the cavity magnetron. The US military brought the Massachusetts Institute of Technology into the project to oversee development of radar units using the cavity magnetron.
Without Brummie know-how there wouldn't be microwave ovens or radar because the cavity magnetron was invented here.
Stories include the invention of the B-29 Superfortress (which would drop the atomic bombs on Japan), the Hedgehog (a ship-mounted mortar launcher), and the cavity magnetron (a miniature radar).