The wearing away of the surface of the tooth by chewing.
A superficial wound caused by scraping; an area of skin where the cells on the surface have been scraped or worn away.
The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it.
An abraded, scraped, or worn area.
The act of abrading, wearing, or rubbing off; the wearing away by friction.
Something triturated, especially dental amalgam.
The act of triturating; grinding to a fine powder.