keratosis
(redirected from keratosis nigricans)Also found in: Dictionary, Thesaurus, Medical.
keratosis
[‚ker·ə′tō·səs] (medicine)
Any disease of the skin characterized by an overgrowth of the cornified epithelium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.