xeroderma pigmentosum

[ pig-muhn-toh-suhm ]
/ ˌpɪg mənˈtoʊ səm /
Save This Word!

noun Pathology.

a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.



Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?

Origin of xeroderma pigmentosum

1880–85; <New Latin: pigmented xeroderma; see pigment, -ose1

Words nearby xeroderma pigmentosum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for xeroderma pigmentosum

  • Such a skin affection, known as icthyosis, xerosis or xeroderma, is usually due to heredity.

    Applied Eugenics|Paul Popenoe and Roswell Hill Johnson

Medical definitions for xeroderma pigmentosum

xeroderma pigmentosum
[ pĭg′mən-tōsəm, -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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Book Your Online Tutor Now