1. (noun) accelerator, accelerator pedal, gas pedal, gas, throttle, gun
a pedal that controls the throttle valve
Synonyms: hitman, gunman, gun, petrol, gasolene, gaseous state, gas, gas pedal, ordnance, natural gas, throttle, artillery, catalyst, heavy weapon, gun for hire, hired gun, flatulency, shooter, throttle valve, accelerator pedal, gasoline, particle accelerator, accelerator, grease-gun, triggerman, hit man, atom smasher, flatulence, gunslinger, torpedo
2. (noun) accelerator, throttle, throttle valve
a valve that regulates the supply of fuel to the engine
Synonyms: gun, gas pedal, accelerator pedal, accelerator, throttle valve, gas, catalyst, throttle, particle accelerator, atom smasher
3. (noun) catalyst, accelerator
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Synonyms: gun, gas pedal, accelerator pedal, accelerator, throttle valve, gas, catalyst, throttle, particle accelerator, atom smasher
4. (noun) accelerator, particle accelerator, atom smasher
a scientific instrument that increases the kinetic energy of charged particles
Synonyms: gun, gas pedal, accelerator pedal, accelerator, throttle valve, gas, catalyst, throttle, particle accelerator, atom smasher
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Synonyms and Antonyms of 'accelerator' 
