Definition of "discoloring" [discoloring]

• Present participle of discolor. (verb)

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• "Please, most of us know what is going on in Mexico without the negative intravenous feeding continuously discoloring the pallor of MC atmosphere."
• "Wrap the antler bases with aluminum foil to keep from discoloring them."
• "Tips: The cover cloth keeps your tie from scorching, sticking, discoloring or getting shiny."