Substance used for cutting and polishing or for removing small amounts of the surface of hard materials. There are two types: natural and artificial abrasives, and their hardness is measured using the Mohs' scale. Natural abrasives include quartz, sandstone, pumice, diamond, and corundum; artificial abrasives include rouge, whiting, and carborundum.
Causing abrasion; SYN. scratchy.
A substance that abrades or wears down; SYN. abradant, abrasive material.