abrasion

noun

1.
an abraded area where the skin is torn or worn off
excoriation scrape scratch
Derived from:
abrade
2.
erosion by friction
attrition corrasion detrition
Derived from:
abrade
3.
the wearing down of rock particles by friction due to water or wind or ice
fridging weathering attrition detrition grinding
Derived from:
abrade