ACCELERATOR

• (noun) a valve that regulates the supply of fuel to the engine

  synonyms : throttle , throttle valve

• (noun) a scientific instrument that increases the kinetic energy of charged particles

  synonyms : atom smasher , particle accelerator

• (noun) a pedal that controls the throttle valve

  "he stepped on the gas"

  synonyms : accelerator pedal , gas , gas pedal , gun , throttle

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

  synonyms : catalyst

  In the production of may chemical compounds, catalysts are added for quicker result. -added by Aswathy_inlas

WordNet® 3.0, © 2006 by Princeton University.

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