vacuum brake

noun

Definition of vacuum brake

: a brake using a partial vacuum in its operation specifically : an automobile brake in which the braking pressure applied by the operator is augmented by the negative pressure of the suction on the intake manifold

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Learn More About vacuum brake

Dictionary Entries Near vacuum brake

vacuum bottle

vacuum brake

vacuum braker

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Cite this Entry

“Vacuum brake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vacuum%20brake. Accessed 22 Sep. 2021.

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