corrasion

[ kuh-rey-zhuh n ]

/ kəˈreɪ ʒən /

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

Origin of corrasion

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

cor·ra·sive

[kuh-rey-siv] /kəˈreɪ sɪv/, adjective

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

The Geography of the Region about Devils Lake and the Dalles of the Wisconsin |Rollin D. Salisbury
Weathering prepares the material for transportation and transportation leads to corrasion.

The Geography of the Region about Devils Lake and the Dalles of the Wisconsin |Rollin D. Salisbury
By this process (corrasion) the rocks are worn and often polished by the materials blown against them.

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

The Romance of the Colorado River |Frederick S. Dellenbaugh

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

Canyons of the Colorado |J. W. Powell

corrasion

/ (kəˈreɪʒən) /

erosion of a rock surface by rock fragments transported over it by water, wind, or ice Compare abrasion (def. 3), attrition (def. 4)

corrasive (kəˈreɪsɪv), adjective