colouration n 1: the timbre of a musical sound; "the recording fails to capture the true color of the original music" [syn: {color}, {colour}, {coloration}, {colouration}] 2: appearance with regard to color; "her healthy coloration" [syn: {coloration}, {colouration}] 3: choice and use of colors (as by an artist) [syn: {coloration}, {colouration}]