Definitions
1.nounA substance or material such as sandpaper, pumice, or emery, used for cleaning, smoothing, or polishing.
2.nounRock fragments, sand grains, mineral particles, used by water, wind, and ice to abrade a land surface.
3.adjectiveProducing abrasion; rough enough to wear away the outer surface.
4.adjectiveBeing rough and coarse in manner or disposition; causing irritation."An abrasive person can grate on one's sensibilities."