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Meaning & Definition of Accelerator in English

English

Accelerator

/æksɛləretər/

noun

1. A pedal that controls the throttle valve

  • "He stepped on the gas"
    synonym:
  • accelerator
  • ,
  • accelerator pedal
  • ,
  • gas pedal
  • ,
  • gas
  • ,
  • throttle
  • ,
  • gun

2. A valve that regulates the supply of fuel to the engine

    synonym:
  • accelerator
  • ,
  • throttle
  • ,
  • throttle valve

3. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

    synonym:
  • catalyst
  • ,
  • accelerator

4. A scientific instrument that increases the kinetic energy of charged particles

    synonym:
  • accelerator
  • ,
  • particle accelerator
  • ,
  • atom smasher