abrasive

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a·bra·sive / əˈbrāsiv; -ziv/ • adj. (of a substance or material) capable of polishing or cleaning a hard surface by rubbing or grinding. ∎  tending to rub or graze the skin: the trees were abrasive to the touch. ∎ fig. (of sounds or music) rough to the ear; harsh. ∎ fig. (of a person or manner) showing little concern for the feelings of others.• n. a substance used for grinding, polishing, or cleaning a hard surface.

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