n.
A chemical group capable of selective light absorption resulting in the coloration of certain organic compounds.
chromophoric chro'mo·phor'ic (-fôr'ĭk, -fŏr'-) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.