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magnetron

Syllabification: mag·ne·tron
Pronunciation: /ˈmaɡnəˌträn
 
/

Definition of magnetron in English:

noun

An electron tube for amplifying or generating microwaves, with the flow of electrons controlled by an external magnetic field.
Example sentences
  • You remember there had been developed in my laboratory by Randall and Boot, a cavity magnetron which made microwave radar possible and I went to America in connection with the early days of this.
  • Randall had set up the unit on the basis of his wartime reputation, having developed (with Henry Boot) the cavity magnetron, the heart of airborne radar and a crucial element in the Allies' narrow victory in the battle of the Atlantic.
  • Today, magnetrons are used as the source of heat in microwave ovens.

Origin

early 20th century: from magnetic + -tron from electron.

Definition of magnetron in:

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