accelerator
Nouns
-
(n) a pedal that controls the throttle valve
- he stepped on the gas
- (n) a valve that regulates the supply of fuel to the engine throttle, throttle valve,
- (n) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected catalyst,
- (n) a scientific instrument that increases the kinetic energy of charged particles atom smasher, particle accelerator,