a·bra·sion /əˈbreɪʒən/ n. 1. 磨损处；(皮肤等的)擦伤处 A bedsore may appear as a simple abrasion. 褥疮看上去可能就像一般的擦伤。 2. 磨损；磨耗 Coins become thinner by constant abrasion. 硬币因经常磨损而变薄。 3. 【地】磨蚀 the abrasion of rocks by waves 岩石的浪蚀 4. 〈喻〉磨擦；刺激 avoid abrasion or collision 避免伤人感情或与人冲突 [< LL abrasio < L abrādere to abrade]