Dictionary Check: accelerator
"accelerator" is a valid word!
Scrabble
15
points
Words with Friends
18
points
Definition
noun
a pedal that controls the throttle valve
Example:
"he stepped on the gas"
noun
a valve that regulates the supply of fuel to the engine
noun
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
noun
a scientific instrument that increases the kinetic energy of charged particles
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