Discoloration
Pronunciation : Dis*col`or*a"tion
Part of Speech : n.
Etymology : [Cf. F. decoloration.]
Definition : 1. The act of discoloring, or the state of being discolored; alteration of hue or appearance. Darwin.
2. A discolored spot; a stain. Arbuthnot.
Source : Webster's Unabridged Dictionary, 1913