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View synonyms for thermionic tube

thermionic tube

noun

, Electronics.
  1. a vacuum tube in which the cathode is heated electrically to cause the emission of electrons by thermal agitation.


thermionic tube

/ thûr′mī-ŏnĭk /

  1. An electrical component, typically an electron tube, through which electric current flows via the emission of thermions from a heated cathode.


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Word History and Origins

Origin of thermionic tube1

First recorded in 1925–30

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thermionicsthermionic valve