frost heave


noun Geology.

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

Origin of frost heave

First recorded in 1945–50
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British Dictionary definitions for frost heave

frost heave

noun

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