accelerator

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a pedal that controls the throttle valve
  2. noun a valve that regulates the supply of fuel to the engine
  3. noun (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

In classic literature

Synonyms

accelerator pedal, gas pedal, gas, throttle, gun

A single word — an entire dictionary opens.

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning

Continue reading