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Pronunciation: kul'or


  1. That aspect of the appearance of objects and light sources that may be specified as to hue, lightness (brightness), and saturation.
  2. That portion of the visible (370–760 nm) electromagnetic spectrum specified by wavelength, luminosity, and purity.


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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.