coloring

verb

Present participle of color

noun

1. An act or process which applies color.

2. Any substance used to give color.

   “Our cookies contain no artificial flavorings or colorings.”

3. The appearance as to color.

4. A disguise or discoloration.

5. graph theoryAn assignment of a color to each vertex of a graph such that no two vertices connected by an edge are given the same color.

6. 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”

   Similar: color, colour, colouring