n. 1. The process of wearing down or rubbing away by means of friction. 2. a. A scraped or worn area. b. A scraped area on the skin or on a mucous membrane, resulting from injury or irritation. [Medieval Latin abrāsiō, abrāsiōn-, from Latin abrāsus, past participle of abrādere, to scrape off; see ABRADE.] |
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