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Definition of discoloration noun from the Oxford Advanced Learner's Dictionary

discoloration

noun
 
/dɪsˌkʌləˈreɪʃn/
 
/dɪsˌkʌləˈreɪʃn/
(British English also discolouration)
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  1. [uncountable] the process of changing colour, or making something change colour, in a way that makes it look less attractive
    • discoloration caused by the sun
  2. [countable] a place where something has changed colour in a way that makes it look less attractive
    • He began to notice a few small brown discolorations on his skin and made an appointment to see the doctor.
See discoloration in the Oxford Advanced American Dictionary
trait
noun
 
 
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