colouring

Noun

• the act or process of changing the color of something

• 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
    

• a digestible substance used to give color to food
  • food color made from vegetable dyes
    

Related words

• Synonyms: 
  coloring , color , colour , food coloring , food colouring , food color , food colour
• Antonyms: 
  colorlessness , colourlessness , achromatism , achromaticity