Abrasive materials [əˈbreɪsɪv məˈtɪərɪəlz] abrasives – metals, alloys, rocks and minerals (natural and artificial). Natural A.m. – diamond, corundum, granite, quartz (flint). Artificial electrocorundum, carborundum, synthetic boron carbide.
Ex. The diamond-tipped saw blade is designed for cutting through abrasive materials such as reinforced concrete and hard stone.