power brake

1. 1.

   a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle

   Broaderbrake

   Narrowerairbrake

   Part ofmotor vehicle

Questions about power brake

What does power brake mean?

power brake means "a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle".

Is power brake a common word?

power brake is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.