- a person or thing that accelerates or increases the speed of something; specif.,
- a device, such as the foot throttle of an automobile, for increasing the speed of a machine
- a nerve or muscle that speeds up a body function
- Chem. a substance that speeds up a reaction
- Nuclear Physics a betatron, cyclotron, synchrotron, linear accelerator, or similar apparatus that accelerates charged particles to high energies: accelerators are used for experimental purposes
- Photog. a chemical that speeds up developing
- A device, especially the gas pedal of a motor vehicle, for increasing speed.
- Chemistry A substance that increases the speed of a reaction.
- Physics A particle accelerator.
- Business An organization that provides new businesses with mentoring, funding, and other services and resources, usually for a limited period of a few months, in exchange for equity.
- One who, or that which, accelerates.
- A device for causing acceleration.
- (chemistry) A substance which speeds up chemical reactions.
- (vehicles) An accelerator pedal.
- (photography) A chemical that reduces development time.
- (physics) A device that accelerates charged subatomic particles.
- (physiology, medicine) A muscle or nerve that speed the performance of an action.
- (computing) accelerator key
- First attested in 1611.
- (motor vehicle): First attested in 1900.
- accelerate + -or
accelerator - Computer Definition
(1) See particle accelerator.
(3) Speeding up file downloading. See download accelerator.
(5) A quick way to gain knowledge when reading text on a Web page. For example, after highlighting a word and clicking a button, an accelerator may provide a dictionary definition, a foreign language translation or the map of a street address.
(6) A key combination such as Alt-Shift-G that is used to activate a task. It provides a faster activation method than selecting from a menu. See also special function key.
(7) An incubator that expects to develop the company considerably faster than normal. See incubator.