D valve

noun

A slide valve with a cup-like cavity in its face, through which exhaust steam passes.

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Meanings

nounD valve (plural D valves)

plural D valves

  1. A slide valve with a cup-like cavity in its face, through which exhaust steam passes.

Origin

Named after the hollow central D-sectioned piston.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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