wastegate

waste·gate
W4A1S1T1E1G2A1T1E1
/ˈweɪstɡeɪt/

noun

A valve that allows exhaust gases to bypass an engine's turbocharger, in order to keep from overspeeding the turbocharger rotor or driving the boost pressure high enough to risk engine knocking or detonation.

UncommonScrabble 13
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Meanings

nounwastegate (plural wastegates)

plural wastegates

  1. aeronauticsA valve that allows exhaust gases to bypass an engine's turbocharger, in order to keep from overspeeding the turbocharger rotor or driving the boost pressure high enough to risk engine knocking or detonation.

Origin

From waste + gate.

Full word history & related roots →

Translations

Estonian piirdeklapp
  • piirdeklappa valve that diverts exhaust gases
German Bypassventil
  • Bypassventila valve that diverts exhaust gases
Korean 웨이스트게이트
  • 웨이스트게이트 (weiseuteugeiteu)a valve that diverts exhaust gases
Cite this entry
APA

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

MLA

“wastegate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/wastegate. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “wastegate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/wastegate.

Source: wastegate on Wiktionary, CC BY-SA 4.0.