An accelerator key.
A pedal causing the vehicle to accelerate when it is pressed.
A computer component using dedicated hardware to accelerate the processing and display of graphics.
A muscle or nerve that speeds the performance of an action.
A device for causing acceleration.
A device that accelerates charged subatomic particles; a particle accelerator.
A light van to take mails between a post office and a railway station.
One who, or that which, accelerates.
A substance which speeds up chemical reactions.
A chemical that reduces development time.
Accelerator; foot control for fuel flow.