anomalous trichromatism
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anomalous trichromatism
[ə′näm·ə·ləs trī′krōm·ə‚tiz·əm] (physiology)
A mild defect in red-green color vision in which the subject, when asked to mix red and green light to match a certain shade of yellow, produces a different shade than does someone with normal color vision.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.