dyssebacia

noun
dys·​se·​ba·​cia | \ ˌdis-(s)ə-ˈbā-sh(ē-)ə How to pronounce dyssebacia (audio) \

Medical Definition of dyssebacia

: a disorder of the sebaceous glands marked by reddening and accumulation of greasy flaky scales on affected areas and often indicative of a vitamin deficiency