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gas-discharge tube vs thermionic tube

thermionic tube vs gas-discharge tube

gas-discharge tube and thermionic tube both are nouns.

Word NounAdjectiveVerbAdverb
gas-discharge tube Yes No No No
thermionic tube Yes No No No
As nouns, thermionic tube is a hypernym of gas-discharge tube; that is, thermionic tube is a word with a broader meaning than gas-discharge tube:
  • gas-discharge tube: a tube in which an electric discharge takes place through a gas
  • thermionic tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Other hypernyms of gas-discharge tube include electron tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube.
gas-discharge tube (noun) thermionic tube (noun)
a tube in which an electric discharge takes place through a gas electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Difference between gas-discharge tube and thermionic tube

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