The gradual loss of brightness or color. Fading is an irreversible process due to chemical alteration, such as oxidation, of the color-forming compound. Non-lightfast, or fugitive, pigments and dyes can loose color with exposure to ultraviolet light in the presence of oxygen and moisture. Comparative studies of fading for various materials can be done with a fadeometer.
Synonyms and Related Terms
discoloration; whitening; color loss; verblassen (Deut.); ausbleichen (Deut.); décoloration (Fr.)
Sources Checked for Data in Record
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996