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melanosis

[ mel-uh-noh-sis ]
/ ˌmɛl əˈnoʊ sɪs /
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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

First recorded in 1815–25; from New Latin, Late Greek melánōsis “a becoming black”; see melan-, -osis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for melanosis

melanosis

melanism (ˈmɛləˌnɪzəm)

/ (ˌmɛləˈnəʊsɪs) /

noun

pathol a skin condition characterized by excessive deposits of melanin
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-nōsĭs ]

n.

Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism.melanism
mel′a•notic (-nŏtĭk) 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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