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master cylinder

noun
1.
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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for master cylinder
  • The majority of vehicles this time have a potential slow fluid leak problem with a seal in the brake master cylinder.
  • It attributed the problem to the braking system's secondary master cylinder.
  • If appropriate, check for brake fluid level in the master cylinder.
  • Surge brakes are independent hydraulic brakes activated by a master cylinder at the junction of the hitch and trailer tongue.
  • If the pedal sinks slowly, there may be a leak in the master cylinder.
  • The pedal provided air to a master cylinder that converted the air pressure to hydraulic pressure.
  • Test the brake pedal travel and the fluid level of the master cylinder.
British Dictionary definitions for master cylinder

master cylinder

noun
1.
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 cylinders See also slave cylinder
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for master cylinder

master cylinder

noun

The most important part of a system, esp that can start or stop a process: Who's the master cylinder in this operation


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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