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a. The act of discoloring.
b. The condition of being discolored.
2. A discolored spot, smudge, or area; a stain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(dɪsˌkʌl əˈreɪ ʃən)

also dis•col′or•ment,

1. the act or fact of discoloring or the state of being discolored.
2. a discolored marking or area; stain.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.discoloration - a soiled or discolored appearance; "the wine left a dark stain"
appearance, visual aspect - outward or visible aspect of a person or thing
scorch - a discoloration caused by heat
bloodstain - a discoloration caused by blood
iron mold, iron mould - a spot caused the staining with rust or ink
mud stain - a stain produced by mud
oil stain - a stain produced by oil
tarnish - discoloration of metal surface caused by oxidation
2.discoloration - the act of changing the natural color of something by making it duller or dingier or unnatural or faded
change of color - an act that changes the light that something reflects
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


noun stain, mark, spot, patch, blot, blemish, blotch, splotch She has a discoloration just below the lip.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


nVerfärben nt; (= mark)Verfärbung f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


n decoloración f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
I will add here a few other observations connected with the discoloration of the sea from organic causes.
Seamen invariably attribute the discoloration of the water to spawn; but I found this to be the case only on one occasion.
I noticed a black discoloration, still faintly visible, under Johansen's eye, a mark of the thrashing he had received a few nights before from the sailor.
The crumbs and discoloration of the cannibal feast, as yet hardly consummated, were exceedingly visible about his mouth.
The discoloration was stubborn, persisting half a month, in which time happened divers events of importance.
Just before him stood a stone altar, stained with rusty-brown discolorations. At the time Werper gave no thought to an explanation of these stains--later their origin became all too hideously apparent to him.
Few correlations existed between them, the one between breakage and edge rounding and the one between orange discoloration and pitting being the two substantive exceptions.
If tap water is used during the process, the water may have sediment that causes discoloration.
Coverage includes an overview of the technique, the importance of a proper examination, diagnosis of the discoloration, treatment of naturally yellow teeth, treatment of brown or white partial discolorations, extended treatment of nicotine and tetracycline stains, treatment options for single dark teeth, combined bleaching and restorative treatments, design and fabrication of a custom-fitted tray, treatment of sensitivity, and caries control.
Rewetted, untreated wood was readily colonized by fungi, while the treated boards experienced much lower levels of discoloration. Protection did appear to decline with storage time for hem-fir but not Douglas-fir.
Years of neglect and improper care resulted in the discoloration of the oil paint and metallic leafing used to compose the mural.
Forest Service, working on decay and discoloration in northern hardwoods.