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.
Nearby words
melanomatosis, melanonychia, melanophage, melanophore, melanoplakia, melanosis, melanosis coli, melanosity, melanosome, melanospermous, melanotic
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for melanosis
In chronic cases the eventual effects are anaemia, melanosis, enlargement of the spleen and liver, and general cachexia.
British Dictionary definitions for melanosis
melanosis
melanism (ˈmɛləˌnɪzəm)
/ (ˌmɛləˈnəʊsɪs) /
noun
pathol a skin condition characterized by excessive deposits of melanin
Derived Formsmelanotic (ˌmɛləˈnɒtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for melanosis
melanosis
1823, medical Latin, from Greek melanosis "a becoming black," from melanoun "to become black," from melas (genitive melanos); see melanin. Related: Melanotic.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine 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
Related formsmel′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.