exfoliation

noun
ex·​fo·​li·​a·​tion | \ (ˌ)eks-ˌfō-lē-ˈā-shən How to pronounce exfoliation (audio) \

Medical Definition of exfoliation

: the action or process of exfoliating: as
a : the peeling of the horny layer of the skin (as in some skin diseases)
b : the shedding of surface components (as cells from internal body surfaces)
c : the shedding of a superficial layer of bone or of a tooth or part of a tooth

Other Words from exfoliation

exfoliative \ eks-​ˈfō-​lē-​ˌāt-​iv How to pronounce exfoliative (audio) \ adjective