Noun
(plural corrasions) Largely used in the field of geology, An instance of corrading, i.e. wearing away by abrasion such as in:
- wear caused by wind-blown or water-borne sand
- wear caused by stream-borne or glacier-borne stones
- wear caused by collisions between stones under the influence of seaside breakers
Origin
Ultimately from Latin corrasus, the past participle of corradere (“to scrape together”), itself from cor- (a form of con- 'together') + radere (“to scratch, scrape”).
