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.

---

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

---

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

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

From Project Gutenberg

Nowhere else on the face of the globe is one so vividly impressed by the vastness of the work of corrasion as in the northwestern part of Arizona.

From Project Gutenberg

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

From Project Gutenberg

Where rocks take a polish, as in Marble Canyon, the scouring and polishing work of corrasion is seen in the shining bright surface as far as the water rises.

From Project Gutenberg

Weathering, wash, and lateral corrasion of the stream continue to widen the valley after it has reached baselevel.

From Project Gutenberg