Having many colors; random or intuitive use of color combinations as opposed to color selection based on a specific color scheme. Found on http://www.encyclo.co.uk/local/21532
Pol`y·chro·mat'ic adjective [ Poly- + chromatic .] Showing a variety, or a change, of colors. Polychromatic acid (Old Chem.) , a substance obtained by the action of nitric acid on aloes. Found on http://www.encyclo.co.uk/webster/P/120