abnormal deposition or development of black or dark pigment in the tissues.
a discoloration caused by this.
Origin of melanosis
< New Latin
< Late Greek melánōsis
a becoming black. See melan-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for melanosis
Derived Formsmelanotic (ˌmɛləˈnɒtɪk), adjective
pathol a skin condition characterized by excessive deposits of melanin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for 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
Related formsmel′a•not′ic (-nŏt′ĭk) adj.
Abnormally dark pigmentation of the skin or other tissues, resulting from a disorder of pigment metabolism.melanism
The American Heritage® Stedman's Medical Dictionary
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