Wastegate

//ˈweɪstɡeɪt// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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.

Etymology

From waste + gate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.