释义 |
abra·sive I. \-āsiv, -ziv, -ēv\ adjective Etymology: abrase + -ive 1. : tending to abrade : producing abrasion 2. : causing irritation < abrasive relationships between member nations > II. noun (-s) 1. a. : any of a wide variety of natural or manufactured substances used to grind, wear down, rub away, smooth, scour, clean, or polish often combined with a binder to make grinding wheels or affixed with glue to the surface of paper or cloth b. : something made of an abrasive (as sandpaper) 2. : rock fragments, mineral particles, or sand grains used by running water, wind, waves and currents, and glaciers in abrading a land surface |