Found 2 items, similar to achromatous.
English → English (WordNet) Definition: achromatous achromatous adj : having little or inadequate color
English → English (gcide) Definition: Achromatous Achromatous \A*chro"ma*tous\, a. [See Ahromatic.] Lacking, or deficient in, color; as, achromatous blood. [Webster 1913 Suppl.]