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Definition of 'accelerator'

You searched for accelerators


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

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