A loss of color.

The act of discoloring, or the state of being discolored; alteration of hue or appearance. / A discolored spot; a stain.

plural of discoloration

Third-person singular simple present indicative form of discolor

present participle of discolor

discoloration

Deprived of color, or given the wrong color; pale, stained. / (obsolete) Multicolored.

simple past tense and past participle of discolor

(American spelling) To change or lose color.

(transitive, dated) To discolor.