discoloration

Noun	1.	discoloration - a soiled or discolored appearance; "the wine left a dark stain" discolouration, 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 discolouration change of color - an act that change the light that something reflects

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