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1. An abraded area where the skin is torn or worn off
   - scratch, scrape, excoriation
    
2. Erosion by friction
   - attrition, corrasion, detrition
    
3. The wearing down of rock particles by friction due to water, wind or ice
   - grinding, attrition, detrition

Derived forms: abrasions

Type of: degradation, eating away, eroding, erosion, friction, lesion, rubbing, wearing, wearing away, wound

Encyclopedia: Abrasion