• word of the day

    accelerator

    accelerator - Dictionary definition and meaning for word accelerator

    Definition
    (noun) a pedal that controls the throttle valve
    Example Sentence
    • he stepped on the gas
    Definition
    (noun) a valve that regulates the supply of fuel to the engine
    Synonyms : throttle , throttle valve
    Definition
    (noun) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
    Synonyms : catalyst
    Definition
    (noun) a scientific instrument that increases the kinetic energy of charged particles
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