ABRADANT
abrader, abradant
(noun) a tool or machine used for wearing down or smoothing or polishing
abrasive, abradant, abrasive material
(noun) a substance that abrades or wears down
Source: WordNet® 3.1
Etymology
Noun
abradant (plural abradants)
A material used for grinding, as emery, sand, powdered glass, etc.; an abrasive.
Adjective
abradant (comparative more abradant, superlative most abradant)
Tending to abrade; causing irritation; abrasive.
Source: Wiktionary
Ab*ra"dant, n.
Definition: A material used for grinding, as emery, sand, powdered glass,
etc.
Source: Webster’s Unabridged Dictionary 1913 Edition