pri'mary col'or

1. Art.a color, as red, yellow, or blue, that in mixture yields other colors. Cf. complementary color (def. 1), secondary color, tertiary color.
2. Optics.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.

primary cellprimary contact


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