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.
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Question 1 of 7
What does “clement” mean?
Origin of power brake
First recorded in 1895–1900
Words nearby power brake
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020