accelerator
/əkˈsɛləˌreɪtər/
noun
- The pedal in a vehicle that controls the engine's speed; the gas pedal.
- She pressed the accelerator to merge onto the highway.
- The car's accelerator stuck, so he had to brake hard.
- Take your foot off the accelerator when you see the red light ahead.
- A device or machine that increases the speed or rate of something, especially a particle accelerator in physics.
- A linear accelerator is used in some cancer treatments.
- Scientists use a particle accelerator to study the building blocks of matter.
- The new business accelerator helps startups grow quickly.
- A substance that speeds up a chemical reaction; a catalyst.
- Some glues contain an accelerator to help them set quickly.
- The chemist added an accelerator to make the reaction happen faster.
- Rubber production often uses an accelerator to speed up vulcanization.
Antonyms