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soil creep

noun, Geology
1.
creep of soil on even slopes; often accelerated by spring freeze-and-thaw or general periglacial conditions.
Compare creep (def 22a).
Origin
1895-1900
1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for soil creep

soil creep

noun
1.
the gradual downhill movement, under the force of gravity, of soil and loose rock material on a slope
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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Encyclopedia Article for soil creep

in geology, slow downslope movement of particles that occurs on every slope covered with loose, weathered material. Even soil covered with close-knit sod creeps downslope, as indicated by slow but persistent tilting of trees, poles, gravestones, and other objects set into the ground on hillsides. The most important process producing creep, aside from direct gravitational influences, is frost heaving: as interstitial water freezes, surface particles are forced up and out perpendicular to the slope; when let down by melting, these particles are drawn directly downward by gravity and are thereby gradually moved downslope. Other processes involved are the wedging action of root growth and the wetting and drying of soil layers

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Value for soil

4
5
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