Definition of abrasion noun from the Oxford Advanced American Dictionary

     

    abrasion

     noun
    noun
    NAmE//əˈbreɪʒn//
     
    (technology)
     
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  1. 1[countable] a damaged area of the skin where it has been rubbed against something hard and rough He suffered cuts and abrasions to the face.
  2. 2[uncountable] damage to a surface caused by rubbing something very hard against it Diamonds have extreme resistance to abrasion.
See the Oxford Advanced Learner's Dictionary entry: abrasion