← BackshareGuessdiscoloration/dɪˌskʌləˈreɪʃən/nounA change in color, especially an unwanted or damaging one.The discoloration on the wall was caused by water damage.The leaves showed a yellow discoloration from the plant disease.A dentist can treat tooth discoloration with whitening products.SynonymsmarkstainblemishAntonymscolor