The Collaborative International Dictionary of English v.0.48:
Desquamation \Des`qua*ma"tion\, n. [Cf. F. desquamation.] (Med.) The separation or shedding of the cuticle or epidermis in the form of flakes or scales; exfoliation, as of bones. DesquamativeWordNet (r) 3.0 (2006):
desquamation n 1: loss of bits of outer skin by peeling or shedding or coming off in scales [syn: desquamation, peeling, shedding]