<p><strong>Noun</strong></p><ul><li>a person or thing that accelerates.</li><li>Automotive: a device, usually operated by the foot, for controlling the speed of an engine.</li><li>British: any two- or three-wheeled motor vehicle, as a motorcycle or motor scooter.</li><li>Photography: a chemical, usually an alkali, added to a developer to increase the rate of development.</li><li>Also called accelerant.</li><li>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.</li><li>Anatomy, Physiology: any muscle, nerve, or activating substance that quickens a movement.</li><li>Also called atom smasher.</li><li>Physics: an electrostatic or electromagnetic device, as a cyclotron, that produces high-energy particles and focuses them on a target.</li><li>Economics: acceleration coefficient.</li><li>Business: an enterprise that provides investment funding and short, fixed-duration mentoring and education programs to a select group of startups that apply for this, including access to networking, strategy coaching, collaborative workspace, etc.</li></ul>