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

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.

If the land of southern Wisconsin remained low for a time after the uplift which brought the Paleozoic sedimentation to a close, weathering would have exceeded transportation and corrasion.

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

The powers of erosion are far slower than those of corrasion, especially in an arid region, because they are intermittent.

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

Elements of erosion.—The general process of subaerial erosion is divisible into the several sub-processes of weathering, transportation, and corrasion.

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

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 Atwood, Wallace W.