a digestible substance used to give color to food;
"food color made from vegetable dyes"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"the act or process of changing the color of something
The basic acting mechanism of the dispersant TAS-A in the plastics colouring was related.
On-the-spot investigation and observation are made on the growth and colouring of grapes.
Its colouring makes it highly conspicuous.
The picture was cleverly restored and showed up its original colouring.
This tin of beans contains no artificial colouring.
Pigments shall be weatherproof and consist of inorganic or light-resistant organic colouring substances.