magnetron

POS

Noun

HYPHEN

mag=ne=tron

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CIDE DICTIONARY

magnetron, 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. [WordNet 1.5]

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OXFORD DICTIONARY

magnetron, n. an electron tube for amplifying or generating microwaves, with the flow of electrons controlled by an external magnetic field.

Etymology

MAGNET + -TRON

For further exploring for "magnetron" in Webster Dictionary Online

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