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gravity dam

noun

  1. a dam resisting the pressure of impounded water through its own weight.


gravity dam

noun

  1. a dam whose weight alone is great enough to prevent it from tipping over
“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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Word History and Origins

Origin of gravity dam1

First recorded in 1935–40

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gravity clockgravity escapement