colouringPronunciation: /ˈkʌlərɪŋ/ (US coloring)Translate colouring | into French | into German | into Italian | into Spanish Definition of colouring noun [mass noun] 1the process of changing the colour of something by painting, dyeing, or shading it: the salon concentrates purely on colouring the filling in of a shape or outline with colour: [as modifier]:a colouring book 2appearance with regard to colour:the toad’s colouring blended perfectly with its surroundings the natural hues of a person’s skin, hair, and eyes:her fair colouring the pervading character or tone of something:her performance was strong on dramatic colouring 3matter used to give a particular colour to something, especially food:food colouring [count noun]:paint the eggs using edible food colouringscolouring in other Oxford dictionaries Definition of colouring in the US English dictionary