Electron Tube Definition
noun
A sealed tube, usually of glass, containing a vacuum or a gas and electrodes that are connected to pinlike terminals that protrude from the base, used as a plug-in component in an electronic device to control the flow of electrons.
Webster's New World
Synonyms:
- thermionic-valve
- thermionic tube
- thermionic vacuum tube
- vacuum tube
- tube
Other Word Forms of Electron Tube
Noun
Singular:
electron tube
Plural:
electron-tubes
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