Fleming valve

noun

An early kind of vacuum tube.

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Meanings

nounFleming valve (plural Fleming valves)

plural Fleming valves

  1. An early kind of vacuum tube.

Origin

Invented in 1904 by John Ambrose Fleming.

Full word history & related roots →
Cite this entry
APA

Fleming valve. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Fleming%20valve

MLA

“Fleming valve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fleming%20valve. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fleming valve,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Fleming%20valve.

Source: Fleming valve on Wiktionary, CC BY-SA 4.0.