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n. ~ A condition in which material is discolored, turning from a neutral white shade to shades of cream, ivory, or beige.


Yellowing affects certain papers, especially those made from unbleached or ground wood pulp. It may also appear in photographs as the result of stains from residual sulfur and other contaminants.

(Personal communication, Jill Teasley, 11 March 2004) If stored in a warm and humid environment, the cellulose content of paper may begin to deteriorate. One sign of such deterioration is that the edges of the paper may begin yellowing.