accelerator - definitions and synonyms

accelerator noun

  1. English Meaning: 

    : a pedal that controls the throttle valve

    Example Sentenses:

    • he stepped on the gas

  2. English Meaning: 

    : a valve that regulates the supply of fuel to the engine

    Synonyms:

    throttle / throttle valve
  3. English Meaning: 

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

    Synonyms:

    catalyst
  4. English Meaning: 

    : a scientific instrument that increases the kinetic energy of charged particles