thermionic tube

Questions about thermionic tube

What does thermionic tube mean?

thermionic tube means "electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope".

What is another word for thermionic tube?

Close synonyms include tube, vacuum tube, thermionic vacuum tube, electron tube, thermionic valve. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is thermionic tube a common word?

thermionic tube is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.