corrasion

American  

[kuh-ray-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  

/ 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

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Etymology

Origin of corrasion

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

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Example Sentences

See Examples For:

corrasion

Whether the reduction of the hills exceeded the deepening of the valleys, or whether the reverse was true, so far as corrasion alone is concerned, is uncertain.

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

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 Wallace W. Atwood

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 Wallace W. Atwood

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 Frederick Samuel Dellenbaugh

Weathering prepares the material for transportation and transportation leads to corrasion.

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

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