mi ‧ cro ‧ der ‧ ma ‧ bra ‧ sion /ˌmaɪkrəʊˌdɜːməˈbreɪʒ ə n $ -kroʊˌdɜːr-/ BrE AmE noun [uncountable]
a treatment that makes the skin on your face smoother and more attractive, in which a substance that removes dead skin cells is forced out of a container onto your face ⇨ dermabrasion