power brake


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.

Nearby words

  1. power,
  2. power amplifier,
  3. power assist,
  4. power base,
  5. power behind the throne,
  6. power brand,
  7. power broker,
  8. power cable,
  9. power chain,
  10. power cut

Origin of power brake

First recorded in 1895–1900

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019