accelerator
/əkˈsɛl.əˌɹeɪ.tɚ/ noun C1- One who, or that which, accelerates. · The Second World War is said to have been a great accelerator for many scientific findings.
- A device for causing acceleration.
- A substance which speeds up chemical reactions.
- A pedal causing the vehicle to accelerate when it is pressed. · As soon as you get onto the slipway, push the accelerator.
- 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.
Plural accelerators
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