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master cylinder
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noun
the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use master cylinder in a sentence
British Dictionary definitions for master cylinder
master cylinder
noun
a large cylinder in a hydraulic system in which the working fluid is compressed by a piston enabling it to drive one or more slave cylindersSee also slave cylinder
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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