1. (noun) coloring, colouring, food coloring, food colouring, food color, food colour
a digestible substance used to give color to food
Synonyms: food coloring, color, food colouring, colour, colouring, food colour, food color, coloring
2. (noun) color, colour, coloring, colouring
a visual attribute of things that results from the light they emit or transmit or reflect
Synonyms: coloring, colouring, colouring material, people of color, vividness, colour, people of colour, colouration, food colouring, semblance, color, coloration, food color, gloss, food coloring, coloring material, food colour
3. (noun) coloring, colouring
the act or process of changing the color of something
Synonyms: food coloring, color, food colouring, colour, colouring, food colour, food color, coloring
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Synonyms for colouring 
