• synonyms


[kuh-rey-zhuh n]
  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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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. 2018

Examples from the Web for corrasion

Historical Examples of corrasion

  • 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

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

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

  • By this process (corrasion) the rocks are worn and often polished by the materials blown against them.


    William J. Miller

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

British Dictionary definitions for corrasion


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