dis ‧ col ‧ our BrE AmE British English , discolor American English /dɪsˈkʌlə $ -ər/ verb [intransitive and transitive]
to change colour, or to make something change colour, so that it looks unattractive:
Once cut, apples quickly discolour.
dis ‧ col ‧ our BrE AmE British English , discolor American English /dɪsˈkʌlə $ -ər/ verb [intransitive and transitive]
to change colour, or to make something change colour, so that it looks unattractive:
Once cut, apples quickly discolour.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012