ball cock
or ballcock
a device for regulating the supply of water in a tank, cistern, or the like, consisting essentially of a valve connected to a hollow floating ball which by its rise or fall shuts or opens the valve.
Origin of ball cock
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ball cock in a sentence
It should have a large evaporating vessel, with a ball-cock to supply it.
Lectures on Ventilation | Lewis W. LeedsOn top of the generator is a tipping water-bucket I supplied with water through a ball cock.
Acetylene, The Principles Of Its Generation And Use | F. H. LeedsIn the larger sizes the tank is automatically refilled from a water service through a ball-cock.
Acetylene, The Principles Of Its Generation And Use | F. H. LeedsA tank situated in the roof, and fed from the main by a ball-cock valve, communicates with A through the siphon pipe S.
How it Works | Archibald WilliamsThis cistern is fitted with a ball-cock, by which arrangement the liquid can be drawn off by a system of wooden pipes as required.
Cooley's Practical Receipts, Volume II | Arnold Cooley
British Dictionary definitions for ball cock
a device for regulating the flow of a liquid into a tank, cistern, etc, consisting of a floating ball mounted at one end of an arm and a valve on the other end that opens and closes as the ball falls and rises with the water level in the cistern
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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