corrasion

[ kuh-rey-zhuh n ]

/ kəˈreɪ ʒən /

noun

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

Nearby words

Origin of corrasion

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

Related formscor·ra·sive

[kuh-rey-siv] /kəˈreɪ sɪv/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for corrasion

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

British Dictionary definitions for corrasion

corrasion

/ (kəˈreɪʒən) /

noun

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

Derived Formscorrasive (kəˈreɪsɪv), adjective

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