Abrasion 1


Abrasion 1 : (1) (Techn) A mark or other evidence of wear or damage left on a surface as a result of rubbing or scraping. (2) (Techn) The act of wearing away by rubbing, as the wearing of moving machine parts from friction. (3) (Techn) A process in the form of grinding, lapping, or polishing used for machining and finishing of hard materials, esp when precision is required. (4) (Med) Surface damage to the skin or mucous membrane by rubbing or scraping
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