accelerator
n. countable B2 Upper Intermediate US //ækˈsɛɫɝˌeɪtɝ// UK //ɐksˈɛləɹˌeɪtɐ// ac·cel·er·a·tor Archaic
n. a device or substance that makes something happen faster. In a car, it is the pedal you press to go faster.
n. a device, substance, or factor that increases the speed of a process or motion. Commonly used in automotive, scientific, and computing contexts.
Press the accelerator to speed up the car.
The new software update acts as an accelerator for our daily workflow tasks.
In particle physics, the Large Hadron Collider serves as a massive accelerator, propelling subatomic particles to near-light speeds for collision experiments.
* First attested in 1611. * (motor vehicle): First attested in 1900. * accelerate + -or