/əˈbreɪʒn/
ab·ra·sion
BrE /əˈbreɪʒn/
NAmE /əˈbreɪʒn/
(specialist)
[C]
a damaged area of the skin where it has been rubbed against sth hard and rough
He suffered cuts and abrasions to the face.
[U]
damage to a surface caused by rubbing sth very hard against it
Diamonds have extreme resistance to abrasion.