[pig-muh n-toh-suh m]
- a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.
Origin of xeroderma pigmentosum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
xeroderma pigmentosum(pĭg′mən-tō′səm, -mĕn-)
- A rare hereditary skin disorder caused by a defect in the enzymes that repair DNA damaged by ultraviolet light and resulting in hypersensitivity to the carcinogenic effect of ultraviolet light.