accelerator
Concise Oxford English Dictionary © 2008 Oxford University Press:
accelerator/əkˈseləreɪtə(r)/
▶noun
- 1 a foot pedal which controls the speed of a vehicle's engine.
- 2 Physics an apparatus for accelerating charged particles to high velocities.
- 3 a substance that speeds up a chemical process.
'accelerator' also found in these Oxford entries:
agent noun
- collider
- cruise control
- foot
- kick-down
- linac
- linear accelerator
- rev
- -tron
