Noun abrasion has 3 senses
  1. abrasion, scratch, scrape, excoriation - an abraded area where the skin is torn or worn off
    --1 is a kind of wound, lesion
    --1 has particulars: graze; rope burn
    Derived form: verb abrade1
  2. abrasion, attrition, corrasion, detrition - erosion by friction
    --2 is a kind of erosion, eroding, eating away, wearing, wearing away
    Derived form: verb abrade1
  3. grinding, abrasion, attrition, detrition - the wearing down of rock particles by friction due to water or wind or ice
    --3 is a kind of friction, rubbing
    Derived form: verb abrade1