poikiloderma

noun
poi·​kilo·​der·​ma | \ ˌpȯi-kə-lə-ˈdər-mə How to pronounce poikiloderma (audio) \
plural poikilodermas or poikilodermata\ -​mət-​ə How to pronounce poikilodermata (audio) \

Medical Definition of poikiloderma

: any of several disorders characterized by patchy discoloration of the skin