abration

Noun

abrasion (countable and uncountable, plural abrasions)

1. The act of abrading, wearing, or rubbing off; the wearing away by friction.
   • The metal surface showed signs of abrasion after years of use.
2. An act of abrasiveness.
3. (obsolete) The substance thus rubbed off; debris.
4. The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it.
5. An abraded, scraped, or worn area.
6. A superficial wound caused by scraping; an area of skin where the cells on the surface have been scraped or worn away.
   • The doctor cleaned the small skin abrasion on her knee.

See all 7 meanings of abrasion