coloring

中文： 着色、色素、色调

1. An act or process which applies color. (countable, uncountable)
2. Any substance used to give color. (countable, uncountable) · Our cookies contain no artificial flavorings or colorings.
3. The appearance as to color. (countable, uncountable)
4. A disguise or discoloration. (countable, uncountable)
5. An assignment of a color to each vertex of a graph, usually such that no two vertices connected by an edge are given the same color. (countable, uncountable)

复数 colorings