discolor
verbNAmE//dɪsˈkʌlər//
[intransitive, transitive]Verb Forms present simple I / you / we / they discolor (Canadian English usually)discolour he / she / it discolors (Canadian English usually)discolours past simple discolored (Canadian English usually)discoloured -ing form discoloring (Canadian English usually)discolouringCheck pronunciation: discolor