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1. A banging noise heard in a water pipe following an abrupt alteration of the flow with resultant pressure surges.
2. A banging noise in steam pipes, caused by steam bubbles entering a cold pipe partially filled with water.
(General Physics) a sharp concussion produced when the flow of water in a pipe is suddenly blocked
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the concussion and accompanying noise that result when a volume of water moving in a pipe suddenly stops or loses momentum.
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