Definitions from Wiktionary (accelerator)

▸ noun:  One who, or that which, accelerates.
▸ noun:  A device for causing acceleration.
▸ noun:  (chemistry) A substance which speeds up chemical reactions.
▸ noun:  (vehicles) A pedal causing the vehicle to accelerate when it is pressed.
▸ noun:  (photography) A chemical that reduces development time.
▸ noun:  (physics) A device that accelerates charged subatomic particles; a particle accelerator.
▸ noun:  (physiology, medicine) A muscle or nerve that speeds the performance of an action.
▸ noun:  (computing) An accelerator key.
▸ noun:  (computing) A computer component using dedicated hardware to accelerate the processing and display of graphics.
▸ noun:  (historical) A light van to take mails between a post office and a railway station.
▸ noun:  (business) A mentoring program for startup companies.
▸ Also see accelerator

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