What's the noun for abradant? Here's the word you're looking for.
abrasion
The act of abrading, wearing, or rubbing off; the wearing away by friction. [First attested in the mid 17th century.]
(obsolete) The substance thus rubbed off; debris. [First attested in the mid 18th century.]
(geology) The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it. [First attested in the mid 19th century.]
An abraded, scraped, or worn area. [First attested in the mid 20th century.]
(medicine) A superficialwound caused by scraping; an area of skin where the cells on the surface have been scraped or worn away. [First attested in the mid 20th century.]
(dentistry) The wearing away of the surface of the tooth by chewing.
“I would cut a big potato into four and round the pieces off in the abrader.”
“The Snuneymuxw abrader in this collection was found in an archaeological deposit estimated to be 2000 years old.”
“Other materials present in smaller amounts, such as the Ozarkian chert and the clinker abrader, also have eastern origins but could have been obtained in trade.”