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单词 thermionic tube
释义

thermionic tube

SEE SYNONYMS FOR thermionic tube ON THESAURUS.COM

noun Electronics.

a vacuum tube in which the cathode is heated electrically to cause the emission of electrons by thermal agitation.
Also called hot-cathode tube.

Origin of thermionic tube

First recorded in 1925–30

Words nearby thermionic tube

thermion, thermionic, thermionic current, thermionic emission, thermionics, thermionic tube, thermionic valve, thermistor, Thermit, thermite, thermite process
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for thermionic tube

thermionic tube
[ thûr′mī-ŏnĭk ]

An electrical component, typically an electron tube, through which electric current flows via the emission of thermions from a heated cathode.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/11/13 10:44:42