water hammer

noun

Definition of water hammer 

: a concussion or sound of concussion of moving water against the sides of a containing pipe or vessel (such as a steam pipe)

Examples of water hammer in a Sentence

Recent Examples on the Web

Aside from leak repairs, the agency is banking on two new water hammers to iron out future pressure drops and avoid boil advisories. Beau Evans, NOLA.com, "Running faucets or leaks: What most strained New Orleans during the freeze?," 6 Jan. 2018 That may have triggered the kind of rapid valve closure that brings about a water hammer, U-M engineering professor emeritus E. Benjamin Wylie said. Keith Matheny, Detroit Free Press, "Expert on 'water hammers' says it may be behind Oakland water pipeline failure," 25 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water hammer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of water hammer

1765, in the meaning defined above

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The first known use of water hammer was in 1765

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