additive primary colors
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additive primary colors
[′ad·əd·iv ′prīm·ə·rē ′kəl·ərz] (optics)
The three colors, usually red, green, and blue, which are mixed together in an additive process.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.