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frost heave

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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. 2009.
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frost heave  
n.   New England
A section of ruptured pavement caused by the expansion of freezing water immediately under the road. Also called regionally frost boil.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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