[pol-ee-kroh-mat-ik, -kruh-]
having or exhibiting a variety of colors.
Also, polychromic [pol-ee-kroh-mik] .

1840–50; poly- + chromatic

polychromatism [pol-ee-kroh-muh-tiz-uhm] , noun
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World English Dictionary
polychromatic, polychromic or polychromous (ˌpɒlɪkrəʊˈmætɪk, ˌpɒlɪˈkrəʊmɪk)
1.  having various or changing colours
2.  (of light or other electromagnetic radiation) containing radiation with more than one wavelength
polychromic, polychromic or polychromous
polychromous, polychromic or polychromous
polychromatism, polychromic or polychromous

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American Heritage
Medical Dictionary

polychromatic pol·y·chro·mat·ic (pŏl'ē-krō-māt'ĭk) or pol·y·chro·mic (-krō'mĭk) or pol·y·chro·mous (-krō'məs)
Having or exhibiting many colors.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
polychromatic   (pŏl'ē-krō-māt'ĭk)  Pronunciation Key 
  1. Consisting of or related to radiation of more than one wavelength.

  2. Of or having many colors. Compare monochromatic.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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