from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A rare hereditary skin disorder caused by a defect in the enzymes that repair DNA damaged by ultraviolet light.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine A rare
genetic disorderin which DNAdamaged by ultraviolet lightis not repaired and the skin becomes sensitive to such light; a skin cancerthat can subsequently develop
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun 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
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin xēroderma pigmentōsum : xēroderma, xeroderma + pigmentōsum, neuter of pigmentōsus, of pigment.]
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From Ancient Greek ξηρός (ksēros, "dry") δέρμα (derma, "skin") and Latin pigmentōsus ("pigmented, stained").
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