Definition of accelerator


  • a pedal that controls the throttle valve; "he stepped on the gas". Synonyms: accelerator pedal, gas, gas pedal, gun, throttle.
  • a valve that regulates the supply of fuel to the engine. Synonyms: throttle, throttle valve.
  • (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected. Synonyms: catalyst. Antonyms: anticatalyst.
  • a scientific instrument that increases the kinetic energy of charged particles. Synonyms: atom smasher, particle accelerator.

Related words

betatron, biocatalyst, collider, cyclotron, enzyme, linac.

Words nearby accelerator


Rhymes with accelerator

accumulator, activator, actuator, actuator, administrator, agitator, alligator, allocator, alternator, animator, applicator, appropriator, arbitrator, aviator, calculator, carburetor, collaborator, commentator, communicator, conciliator.

Start with accelerator


More information about accelerator

accelerator unscrambled

Scrabble and Words With Friends points

  • accelerator is a valid Scrabble US word, worth 15 points
  • accelerator is a valid Scrabble UK word, worth 15 points
  • accelerator is a valid Words With Friends word, worth 18 points
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noun: a reappearance of an earlier characteristic.

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