IPA: /ˈkʌlərɪŋ/
KK: /ˈkʌlərɪŋ/
The process or activity of adding color to something, often for artistic purposes.
The children enjoyed their time spent coloring in their books.
Coloring → It is formed from "color" (from Latin "color", meaning hue or appearance) and "-ing" (a suffix indicating the action or process of). The word "coloring" refers to the process of applying color to something.
Think of the word 'color' as the hue you see, and '-ing' indicates the action of doing something. So, coloring is the action of adding color.