xeroderma

English Thesaurus

1. a mild form of ichthyosis characterized by abnormal dryness and roughness of the skin (noun.state)

hypernym	:	ichthyosis,
definition	:	any of several congenital diseases in which the skin is dry and scaly like a fish (noun.state)

hyponym	:	xeroderma pigmentosum,
definition	:	a rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburn; inherited as a recessive autosomal trait in which DNA repair processes are defective so they are more likely to chromosome breaks and cancers when exposed to ultraviolet light (noun.state)