Standard Lemma guide

wastegate

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈweɪstɡeɪt/

1

noun

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Topics: aeronautics, aerospace, automotive, aviation, business, engineering, mechanical, mechanical-engineering, natural-sciences, physical-sciences, transport, vehicles

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From waste + gate.

Across languages

Translations

3 source translations are retained for this English entry.

  • Estonian: piirdeklapp — a valve that diverts exhaust gases
  • German: Bypassventil — a valve that diverts exhaust gases
  • Korean: 웨이스트게이트 (weiseuteugeiteu) — a valve that diverts exhaust gases