melanosis

[ mel-uh-noh-sis ]
/ ˌmɛl əˈnoʊ sɪs /

noun Pathology.

abnormal deposition or development of black or dark pigment in the tissues.
a discoloration caused by this.

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Origin of melanosis

1815–25; < New Latin < Late Greek melánōsis a becoming black. See melan-, -osis

Words nearby melanosis

melanomatosis, melanonychia, melanophage, melanophore, melanoplakia, melanosis, melanosis coli, melanosome, melanospermous, melanotic, melanotic carcinoma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for melanosis

British Dictionary definitions for melanosis

melanosis

melanism (ˈmɛləˌnɪzəm)

/ (ˌmɛləˈnəʊsɪs) /

noun

pathol a skin condition characterized by excessive deposits of melanin

Derived forms of melanosis

melanotic (ˌmɛləˈnɒtɪk), 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

Medical definitions for melanosis

melanosis
[ mĕl′ə-nō′sĭs ]

n.

Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism.melanism

Other words from melanosis

mel′a•not′ic (-nŏt′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.