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Adjective: polychromatic  ,pó-lee-krow'ma-tik
  1. (of light or other electromagnetic radiation) composed of more than one wavelength
    "polychromatic light"
  2. Having or exhibiting many colours
    - polychrome, polychromic

See also: colored [US], colorful [US], coloured [Brit, Cdn], colourful [Brit, Cdn]

Antonym: monochromatic

Encyclopedia: Polychromatic