colouring
1. [ noun ] (color) a visual attribute of things that results from the light they emit or transmit or reflect
Synonyms: color coloring colour
Examples:

"white is made up of many different wavelengths of light"

Related terms: colorlessness visual_property shade complexion heather_mixture nonsolid_color coloration chromatic_color achromatic_color discolor color colored colorless
2. [ noun ] (food) a digestible substance used to give color to food
Synonyms: food_coloring food_colouring food_color food_colour coloring
Examples:

"food color made from vegetable dyes"

Related terms: foodstuff color
3. [ noun ] (color) the act or of process of changing the color of something
Synonyms: coloring
Related terms: change_of_color dyeing tinting hair_coloring discolor
Similar spelling:   coloring
  colour_in
  color_in
  colourimeter
  collyrium