power brake

noun

an automotive brake set by pressure from some power source, as a compressed-air reservoir, in proportion to a smaller amount of pressure on the brake pedal.

Discover More

First recorded in 1895–1900

Discover More

Examples have not been reviewed.

If the power brakes fail, the brakes would still work without the power assist.

From

It also has a 3-speed automatic transmission, power steering, power brakes and air conditioning, making it a consummate coastal cruiser.

From

It has no air conditioning and no seat belts, but it does have power steering and power brakes.

From

The power brake vacuum pump in the models can degrade and make it difficult to stop, according to the agency.

From

Without power steering or power brakes, Holcy muscled the truck to the side of the highway.

From

Browse