Accelerator

a person or thing that accelerates.

Automotive . a device, usually operated by the foot, for controlling the speed of an engine.

British . any two- or three-wheeled motor vehicle, as a motorcycle or motor scooter.

Photography . a chemical, usually an alkali, added to a developer to increase the rate of development.

Also called accelerant. Chemistry . any substance that increases the speed of a chemical change, as one that increases the rate of vulcanization of rubber or that hastens the setting of concrete, mortar, plaster, or the like.

Anatomy, Physiology . any muscle, nerve, or activating substance that quickens a movement.

Also called atom smasher , particle accelerator. Physics . an electrostatic or electromagnetic device, as a cyclotron, that produces high-energy particles and focuses them on a target.

Economics . acceleration coefficient.

noun

particle accelerator , atom smasher , atomic accelerator , activator , cyclotron , throttle