| 释义 |
abra·sion
\əˈbrāzhən, aˈ-\ noun
(-s)
Etymology: Medieval Latin abrasion-, abrasio, from Latin abrasus (past participle of abradere to scrape off) + -ion-, -io -ion — more at abrade
1. : wearing, grinding, or rubbing away by friction
2.
a. : the rubbing or scraping of the surface layer of cells or tissue from an area of the skin or mucous membrane; also : a place so abraded
b. : the mechanical wearing away of the tooth surfaces by chewing |