xeroderma pigmentosum(redirected from Allergic to light)
Also found in: Thesaurus, Medical, Encyclopedia.
A rare hereditary skin disorder caused by a defect in the enzymes that repair DNA damaged by ultraviolet light.
[New Latin xēroderma pigmentōsum : xēroderma, xeroderma + pigmentōsum, neuter of pigmentōsus, of pigment.]
Switch to new thesaurus
|Noun||1.||xeroderma pigmentosum - 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|