"abrasions" in the noun sense
1. abrasion, scratch, scrape, excoriation
an abraded area where the skin is torn or worn off
2. abrasion, attrition, corrasion, detrition
erosion by friction
3. grinding, abrasion, attrition, detrition
the wearing down of rock particles by friction due to water or wind or ice
Source: WordNet® (An amazing lexical database of English)
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