accelerator

中文： 推进器、催化剂、油门、加速器

1. One who, or that which, accelerates. · The Second World War is said to have been a great accelerator for many scientific findings.
2. A device for causing acceleration.
3. A substance which speeds up chemical reactions.
4. A pedal causing the vehicle to accelerate when it is pressed. · As soon as you get onto the slipway, push the accelerator.
5. A chemical that reduces development time.
6. A device that accelerates charged subatomic particles; a particle accelerator.
7. A muscle or nerve that speeds the performance of an action.
8. An accelerator key.

复数 accelerators