polychromatic UK /ˌpɒlikɹəʊˈmætɪk/US /ˌpɑlikɹəˈmætɪk/ adjective2 •Showing a variety, or a change, of colours; having many colours.With our water goggles adjusted we gazed at the fishes displaying their polychromatic scales to the sea world, as, with true Puka-Pukan languor, they finned from coral to coral. — 1929 •Composed of more than one wavelength.
