Search Result for "discoloration": 
Wordnet 3.0

NOUN (2)

1. a soiled or discolored appearance;
- Example: "the wine left a dark stain"
[syn: stain, discoloration, discolouration]

2. the act of changing the natural color of something by making it duller or dingier or unnatural or faded;
[syn: discoloration, discolouration]



The Collaborative International Dictionary of English v.0.48:

Discoloration \Dis*col`or*a"tion\, n. [Cf. F. decoloration.]
   1. The act of discoloring, or the state of being discolored;
      alteration of hue or appearance. --Darwin.
      [1913 Webster]

   2. A discolored spot; a stain. --Arbuthnot.
      [1913 Webster]


WordNet (r) 3.0 (2006):

discoloration
    n 1: a soiled or discolored appearance; "the wine left a dark
         stain" [syn: stain, discoloration, discolouration]
    2: the act of changing the natural color of something by making
       it duller or dingier or unnatural or faded [syn:
       discoloration, discolouration]