colouring /ˈkʌl.ər.ɪŋ/noun 5adjective 3forms 2 noun5 •An act or process which applies color. •Any substance used to give color.Our cookies contain no artificial flavorings or colorings. •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. •The appearance as to color.The Rolands, both U.S.-educated lawyers with faculty positions in the national law school, are olive skinned, with the coloring of some Italians or Sephardic Jews. — 1983 •A disguise or discoloration. adjective3 •That colors something. •That conveys or imparts color. •Of something that provides colour.He soon exhausted pleasure, and then reasoned upon it: he soon exhausted it, because he wanted that colouring enthusiasm which creates more than half of what it enjoys;... — 1831 formsmore colouring · most colouring