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hyperkeratosis

[hahy-per-ker-uh-toh-sis]
noun
  1. Pathology.
    1. proliferation of the cells of the cornea.
    2. a thickening of the horny layer of the skin.
  2. Also called x-disease. Veterinary Pathology. a disease of cattle resulting from their physical contact with or eating of objects or food contaminated by wood preservatives or machinery lubricants containing highly chlorinated naphthalenes, characterized by thickening and hardening of the skin, abnormal secretion of tears and saliva, and diarrhea.
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Origin of hyperkeratosis

From New Latin, dating back to 1835–45; see origin at hyper-, keratosis
Related formshy·per·ker·a·tot·ic [hahy-per-ker-uh-tot-ik] /ˌhaɪ pərˌkɛr əˈtɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hyperkeratosis

hyperkeratosis

noun
  1. pathol overgrowth and thickening of the outer layer of the skin
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Derived Formshyperkeratotic (ˌhaɪpəˌkɛrəˈtɒtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hyperkeratosis in Medicine

hyperkeratosis

(hī′pər-kĕr′ə-tōsĭs)
n. pl. hy•per•ker•a•to•ses (-sēz)
  1. Hypertrophy of the cornea or the horny layer of the skin.hyperkeratinization
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Related formshy′per•ker′a•totic (-tŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.