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Definition of Achromatous
1. Adjective. Having little or inadequate color. 
Definition of Achromatous
1. a. Lacking, or deficient in, color; as, achromatous blood.
Medical Definition of Achromatous
1. Colourless. (05 Mar 2000)
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1. Adjective. Having little or inadequate color. 
1. a. Lacking, or deficient in, color; as, achromatous blood.
1. Colourless. (05 Mar 2000)