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a. The act of discoloring.
b. The condition of being discolored.
2. A discolored spot, smudge, or area; a stain.


(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.
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


noun stain, mark, spot, patch, blot, blemish, blotch, splotch She has a discoloration just below the lip.


nVerfärben nt; (= mark)Verfärbung f


n decoloración f
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.
While local officials have said that the water meets health standards, the degree of discoloration has alarmed local residents.
The liquid contains a corrosion inhibiting compound to prevent flash rusting and discoloration of metal surfaces after graffiti removal.
Better color maintenance can be expressed in different ways, such as lower color during repeated heat histories (recycling trim/scrap), minimizing discoloration during warehouse storage (gas fade), maintaining low color in hot/humid climates, or resistance to color from oxidizing treatments, such as corona treatment and e-beam or gamma irradiation.
Rice grain discoloration disease (a bacterial/fungal disease) is emerging as a major threat in Pakistan that deteriorates grain quality and texture.
Group 2 included patients without discoloration (control).
The first challenge is the gradual decay of light intensity caused by discoloration of the reflector beneath the encapsulant.