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frost heave

noun

, Geology.
  1. an uplift in soil caused by the freezing of internal moisture.


frost heave

noun

  1. the upthrust and cracking of a ground surface through the freezing and expansion of water underneath Also calledfrost heaving
“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 frost heave1

First recorded in 1945–50

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