Answer: accelerator

AnswerCrossword Clue
ACCELERATORPart of an auto.
ACCELERATORGas pedal
acceleratorThe device, typically a pedal, that controls the speed of a vehicle's engine
acceleratorsomething that accelerates
acceleratorA substance that speeds up a chemical process, typically the vulcanization of rubber or the curing of a plastic
acceleratorAn apparatus for accelerating charged particles to high velocities
acceleratorSomething that brings about acceleration, in particular