frost heave

noun Geology.
an uplift in soil caused by the freezing of internal moisture.
Origin:
1945–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
frost heave
 
—n
Also called: frost heaving the upthrust and cracking of a ground surface through the freezing and expansion of water underneath

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Frost heave is always a great word to know.
So is callithumpian. Does it mean:
the offspring of a zebra and a donkey.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Example sentences
Water weakens pavement support and contributes to frost heave and cracking.
These circles are likely caused by frost heave, the upward thrusting of the
  ground.
The ability to adjust to differential settlement, frost heave, or other changes
  in the subgrade is desirable.
Freezing also breaks small particles into finer parts, accelerating the sealing
  of the pores when the frost heave layer settles.
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