Definitionsregional note: in BRIT, use colouring
1. uncountable noun
The coloring of something is the color or colors that it is. ⇒ Other countries vary the coloring of their bank notes as well as their size.
2. uncountable noun Someone's coloring is the color of their hair, skin, and eyes. ⇒ None of them had their father's dark coloring. 3. uncountable noun
Coloring is a substance that is used to give color to food. ⇒ A few drops of green food coloring were added.
4. → See also color
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers