Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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No pronunciation record was provided for this word.
noun
An electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.
Definition source: English Wiktionary via Wiktextract
Usage: historical
No example sentence was provided for this meaning.
Synonyms: vacuum tube
Antonyms: none provided
noun
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube
Antonyms: none provided
Broader terms: electronic device
Narrower terms: acorn tube, diode, rectifying tube, rectifying valve, electron multiplier, gas-discharge tube, klystron, magnetron, pentode, television-camera tube, television pickup tube, tetrode, triode, X-ray tube
History
No etymology was provided for this word.
