Accelerator

/ɐksˈɛləɹˌe‍ɪtɐ/

/ækˈsɛɫɝˌeɪtɝ/

Accelerator

a pedal that controls the throttle valve

a valve that regulates the supply of fuel to the engine

synonyms : throttle

a scientific instrument that increases the kinetic energy of charged particles

(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

synonyms : catalyst

Examples

1. What are accelerators?

2. So the accelerator pushes the bolt carrier back.

3. Foot off the accelerator.

4. Partical accelerator leads to the runway.