1. （皮肤的）擦伤（处）
An abrasion is an area on a person's body where the skin has been scraped.

1. the wearing down of rock particles by friction due to water or wind or ice

Synonym: grindingattritiondetrition

2. erosion by friction

Synonym: attritioncorrasiondetrition

3. an abraded area where the skin is torn or worn off

Synonym: scratchscrapeexcoriation