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Meaning of primary color

pri'mary col'or

Pronunciation: [key]
  1. a color, as red, yellow, or blue, that in mixture yields other colors. Cf.(def. 1),
  2. any of a set of monochromatic colors, as red, green, and blue, that are added to match or specify the chromaticity of a stimulus or sample.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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