accelerator

Definition

One who, or that which, accelerates.

Etymology

* First attested in 1611. * (motor vehicle): First attested in 1900. * accelerate + -or

Example Sentences

• "The Second World War is said to have been a great accelerator for many scientific findings."
• "As soon as you get onto the slipway, push the accelerator."
• "If they had allowed single-character accelerators, Windows wouldn't be able to determine whether the character was input or a shortcut."