Word.ws English Dictionary

thermionic valve

thermionic valve noun: an electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.

Noun

thermionic valve (plural thermionic valves)

  1. (historical) An electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.
    • The age of electronics began in 1906 with Lee De Forest's invention of the vacuum tube, or, as the British (led by John Ambrose Fleming, whose work preceded De Forest's) described it, the thermionic valve.2012, George Dyson, Turing's Cathedral, Penguin, published 2013, page 65
    Synonyms:
    vacuum tube

thermionic valve meaning in Tamil

thermionic valve in Tamil

வெப்பவயன்வாயில், சுடு வால்வு, வெப்ப மின்னணு ஓரதா, வெப்ப மின்னணு வால்வு, வெப்பவயன்வால்வு

Synonyms of thermionic valve

Forms of thermionic valve

pluralthermionic valves

Words formed from thermionic valve

Questions about thermionic valve

What does thermionic valve mean?
Thermionic valve means an electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc.
What is thermionic valve in Tamil?
Thermionic valve in Tamil is வெப்பவயன்வாயில், சுடு வால்வு, வெப்ப மின்னணு ஓரதா. See Thermionic valve meaning in Tamil.
What part of speech is thermionic valve?
Thermionic valve is a noun.
What is the plural of thermionic valve?
The plural of thermionic valve is thermionic valves.

Words near thermionic valve in the dictionary

  1. thermin
  2. thermion
  3. thermionic
  4. thermionic tube
  5. thermionic tubes
  6. thermionic valve
  7. thermionic valves
  8. thermionically
  9. thermionics
  10. thermions
  11. thermisation

Source and license

Adapted from Wiktionary: thermionic valve (page history and authors); thermionic valve (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “thermionic valve.” Word.ws, https://word.ws/thermionic_valve. Based on Wiktionary, CC BY-SA 4.0.