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frost heave

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noun Geology.
  1. an uplift in soil caused by the freezing of internal moisture.
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Origin of frost heave

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for frost heave

frost heave

noun
  1. the upthrust and cracking of a ground surface through the freezing and expansion of water underneathAlso called: frost heaving
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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