discoloration

[ dis-kuhl-uh-rey-shuh n ]

/ dɪsˌkʌl əˈreɪ ʃən /

the act or fact of discoloring or the state of being discolored.

a discolored marking or area; stain.

Also called dis·col·or·ment.

Origin of discoloration

First recorded in 1635–45; discolor + -ation

self-dis·col·or·a·tion, noun

The red stains are discoloration from the original shade of the shirt and the holes are from natural wear and fray.

Who Designed Urban Outfitters's Bloody Kent State Shirt? They Won't Say |Asawin Suebsaeng |September 15, 2014 |DAILY BEAST
The disease causes depigmentation of sections of skin, resulting in discoloration.

Katherine Webb, Model Girlfriend of Alabama QB A.J. McCarron, Steals Show |Marlow Stern |January 9, 2013 |DAILY BEAST
Some are soluble in water, as shown by the discoloration of the substances on which they grow.

The Fundamentals of Bacteriology |Charles Bradfield Morrey
In any case it is subsequently obscured by the development of a narrow ring of discoloration due to the contusion.

Surgical Experiences in South Africa, 1899-1900 |George Henry Makins

Discrimination is requisite from discoloration by food or medicine.

A System of Practical Medicine By American Authors, Vol. II |Various
The discoloration of the skin was like the effects of nitrate of silver.

Journal of an Overland Expedition in Australia |Ludwig Leichhardt
Ink spots rubbed with lemon juice and dipped in bleaching solution fade away and leave on the cloth no trace of discoloration.

General Science |Bertha M. Clark