Discoloration is the change in the original color of a material. Discoloration may be due to exposure of the object to chemicals, light, or the effect of age.
Synonyms in English
chromatic alteration, fading, yellowing, staining, darkening, bleaching, color loss
Discoloration is a term used to describe the variation in the color of a material. Terms such as fading, yellowing, staining, darkening, bleaching, and color loss are descriptive elements used to further refine the visible aspects of discoloration when assessing the physical condition of an object. Some types of materials subject to discoloration include paper, textiles, finishes, papier mâché, print media, fur, feathers, skin, leather, pigments, dyes, silk, velvet, lacquered surfaces, celluloid, and wood.
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Museum of Fine Arts Boston. Conservation & Art Materials Encyclopedia Online (CAMEO). 2013.