#1
colouring n. [
coloring, food coloring, food colouring, food color, food colour] a digestible substance used to give color to food; "food color made from vegetable dyes"
. wn #2
colouring n. [
color, colour, coloring] a visual attribute of things that results from the light they emit or transmit or reflect; "a white color is made up of many different wavelengths of light"
. wn #3
colouring n. [
coloring] the act or process of changing the color of something
. wn