abradant n 1: a substance that abrades or wears down [syn: {abrasive}, {abradant}, {abrasive material}] 2: a tool or machine used for wearing down or smoothing or polishing [syn: {abrader}, {abradant}]
Abradant \Ab*ra"dant\, n. A material used for grinding, as emery, sand, powdered glass, etc. [1913 Webster]