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keratosis

[ker-uh-toh-sis] /ˌkɛr əˈtoʊ sɪs/
noun, plural keratoses
[ker-uh-toh-seez] /ˌkɛr əˈtoʊ siz/ (Show IPA).
Pathology
1.
any skin disease characterized by a horny growth, as a wart.
2.
any horny growth.
Also, keratoma.
Origin
1880-1885
1880-85; kerat- + -osis
Related forms
keratosic, keratotic
[ker-uh-tot-ik] /ˌkɛr əˈtɒt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for keratosis
  • Actinic keratosis is a precancerous skin lesion that rarely may become a squamous cell cancer.
British Dictionary definitions for keratosis

keratosis

/ˌkɛrəˈtəʊsɪs/
noun (pathol)
1.
any skin condition marked by a horny growth, such as a wart
2.
a horny growth
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
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keratosis in Medicine

keratosis ker·a·to·sis (kěr'ə-tō'sĭs)
n. pl. ker·a·to·ses (-sēz)
Excessive growth of horny tissue of the skin.


ker'a·tot'ic (-tŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for keratosis

any protuberance on the skin resulting from the overdevelopment of the horny outermost covering of the skin, or epidermis, the main constituent of which is the protein keratin, which is synthesized in special cells of the skin, the keratinocytes. More generally, keratosis is any skin disorder attended by horny growths. The causes and lesions characteristic of keratotic skin disorders are varied, giving rise to some 20 different forms of keratosis; the more common ones are as follows:

Learn more about keratosis with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Difficulty index for keratosis

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Word Value for keratosis

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