Abradant
Part of speech: noun
Definition: A material used for grinding, as emery, sand, powdered glass, etc.
Abrasive
Part of speech: noun
Definition: A substance or material such as sandpaper, pumice, or emery, used for cleaning, smoothing, or polishing.
Part of speech: adjective
Definition: Producing abrasion; rough enough to wear away the outer surface.Being rough and coarse in manner or disposition.