chromaticity[krō′mə tis′ə tē]
chromaticity definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the classification of a color with reference to its hue and its purity, i.e., its departure from white light
chromaticity definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The aspect of color that includes consideration of its dominant wavelength and purity.