the art of employing many colors in decoration, as in painting or architecture.
- pol·y·chro·mous, adjective
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How to use polychromy in a sentence
The polychromy of the Doric temple was one of the most important features of its external appearance.History of Ancient Art | Franz von Reber
British Dictionary definitions for polychromy
decoration in many colours, esp in architecture or sculpture
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012