polychrome adjective 2noun 2verb 2forms 3 adjective2 •Using multiple or many colours.A polychrome two-handled jar with red and white streaks on a dark ground. — 1907 •Executed in the manner of polychromy. noun2 •A piece of multicolored pottery. •esculin (so called in allusion to its fluorescent solutions) verb2 •To paint or dye with multiple colours. •To divide (a dye etc.) into multiple colours. formspolychromed · polychroming · polychromes