corrasion

American  

[kuh-rey-zhuhn] / kəˈreɪ ʒən /

noun

1. the mechanical erosion of soil and rock by the abrasive action of particles set in motion by running water, wind, glacial ice, and gravity.

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corrasion British  

/ kəˈreɪsɪv, kəˈreɪʒən /

noun

1. erosion of a rock surface by rock fragments transported over it by water, wind, or ice Compare abrasion attrition

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Other Word Forms

• corrasive adjective

Etymology

Origin of corrasion

1605–15; < Latin corrās ( us ) scraped together (past participle of corrādere ) + -ion. See corrade

Example Sentences

It seems possible that there may have been in this region some great lake which lifted the waters up to the top of the ridge to begin their work of corrasion.

From The Romance of the Colorado River The Story of its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell through the Line of the Great Canyons by Dellenbaugh, Frederick Samuel

Nowhere else on the face of the globe is one so vividly impressed by the vastness of the work of corrasion as in the northwestern part of Arizona.

From Wealth of the World's Waste Places and Oceania by Gilson, Jewett Castello

Weathering, wash, and lateral corrasion of the stream continue to widen the valley after it has reached baselevel.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.

These broad canyons, or canyon valleys, are carved by the streams in obedience to an interesting law of corrasion.

From Canyons of the Colorado by Powell, John Wesley

The solution effected by the waters of a stream may also be regarded as a part of corrasion.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.