Collins COBUILD Advanced Learner's English Dictionary - colouring

Note: in AM, use 'coloring' 1. The colouring of something is the colour or colours that it is. Other countries vary the coloring of their bank notes as well as their size. ...the scenery was losing its bright colouring. N-UNCOUNT: usu with poss 2. Someone’s colouring is the colour of their hair, skin, and eyes. None of them had their father’s dark colouring... Choose shades which tone in with your natural colouring. N-UNCOUNT: usu with poss 3. Colouring is a substance that is used to give colour to food. A few drops of green food coloring were added. N-UNCOUNT 4. see also colour