What is the meaning of Accelerator?

One who, or that which, accelerates.

A device for causing acceleration.

A substance which speeds up chemical reactions.

A pedal causing the vehicle to accelerate when it is pressed.

A chemical that reduces development time.

A device that accelerates charged subatomic particles; a particle accelerator.

A muscle or nerve that speeds the performance of an action.

An accelerator key.

A computer component using dedicated hardware to accelerate the processing and display of graphics.

A light van to take mails between a post office and a railway station.

A mentoring program for startup companies.

second/third-person singular future passive imperative of accelerō

accelerative

an accelerator (device that accelerates various particles to high velocities)

an accelerator (substance that speeds up chemical reactions)

Source: wiktionary.org