v.
Pronunciation: ( ˌ )dis- ' k ə -l ə r
Function: verb
Etymology: Middle English discolouren, from Anglo-French desculurer, from Late Latin discolorari, from Latin discolor of another color, from dis- + color color
Date: 14th century
transitive verb : to alter or change the hue or color of
intransitive verb : to change color especially for the worse