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power brake

American  

noun

  1. 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.

Etymology

Origin of power brake

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The automaker is recalling the 2010-14 Camaros because a driver's knee can bump the key fob and suddenly shut off power steering, air bags and the power brake assist.

From Los Angeles Times • Jun. 13, 2014

The cars: 1901 Oldsmobiles, enjoying a jaunty revival in the era of the tail fin and the power brake.

From Time Magazine Archive

From outside in fabrication came the muffled clang of drill press and power brake, the sounds of the night shift.

From Felony by Causey, James

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.