magnetron

noun

mag·​ne·​tron ˈmag-nə-ˌträn How to pronounce magnetron (audio)
: a vacuum tube in which the flow of electrons is controlled by an applied magnetic field to generate power at microwave frequencies

Examples of magnetron in a Sentence

Recent Examples on the Web
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Klystrons and their cousins, cavity magnetrons (found in ordinary microwave ovens), are quite efficient because of their simplicity. IEEE Spectrum, 24 June 2024 Allison Marsh The technology at the heart of the microwave oven is the cavity magnetron, developed during World War II for radar detection. IEEE Spectrum, 30 Dec. 2022 The magnetron produces microwaves, which are reflected within the metal interior of the oven. IEEE Spectrum, 30 Dec. 2022 Amazing Gadgets Today 40 of the Latest and Greatest Gadget Gifts Spencer earned several patents while working on more efficient and effective ways to mass-produce radar magnetrons. Matt Blitz, Popular Mechanics, 24 Mar. 2023 See all Example Sentences for magnetron 

Word History

Etymology

blend of magnet and -tron

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of magnetron was in 1921

Dictionary Entries Near magnetron

Cite this Entry

“Magnetron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetron. Accessed 12 Dec. 2024.

Medical Definition

magnetron

noun
mag·​ne·​tron ˈmag-nə-ˌträn How to pronounce magnetron (audio)
: a diode vacuum tube in which the flow of electrons is controlled by an externally applied magnetic field to generate power at microwave frequencies

More from Merriam-Webster on magnetron

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