decelerator
/diːˈsɛləreɪtər/
noun
- A device or mechanism that slows down the speed of a vehicle, machine, or process.
- The factory installed a decelerator on the conveyor belt to prevent packages from crashing.
- In some electric cars, the decelerator helps recharge the battery while braking.
- The train's decelerator engaged smoothly as it approached the station.
Antonyms