colouring meaning and definition

COLOURING noun

Definition of colouring (noun)

1. a digestible substance used to give color to food
   • "food color made from vegetable dyes"
   • synonyms: coloring, food color, food coloring, food colour, food colouring
2. 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"
   • synonyms: color, coloring, colour
   • antonym: achromaticity
3. the act or process of changing the color of something
   • synonyms: coloring