exhaust

Reading level: hard

Estimated CEFR level: B1 — Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun gases ejected from an engine as waste products
  2. noun system consisting of the parts of an engine through which burned gases or steam are discharged
  3. verb wear out completely

Etymology

From Latin exhaustus, past participle of exhaurīre (“to draw out, drink up, empty, exhaust”), from ex (“out”) + haurīre (“to draw (especially water), drain”).

In classic literature

Synonyms

exhaust fumes, fumes

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