throttle

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a valve that regulates the supply of fuel to the engine
  2. noun a pedal that controls the throttle valve
  3. verb place limits on (extent or access)

Etymology

From Middle English *throtel, diminutive of throte (“throat”), equivalent to throat + -le. Compare German Drossel (“throttle”). More at throat.

In classic literature

Synonyms

accelerator, throttle valve

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