a·bra·sion /əˈbreʒən/ 名詞
擦除, 擦破, 磨損, 磨耗
Ab·ra·sion n.
1. The act of abrading, wearing, or rubbing off; the wearing away by friction; as, the abrasion of coins.
2. The substance rubbed off.
3. Med. (a) A superficial excoriation of skin or mucous membranes. --AS (b) Erosion of the tooth substance --AS
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abrasion
n 1: an abraded area where the skin is torn or worn off [syn: scratch,
scrape, excoriation]
2: erosion by friction [syn: attrition, corrasion, detrition]
3: the wearing down of rock particles by friction due to water
or wind or ice [syn: grinding, attrition, detrition]