Definify.com

Webster 1913 Edition

Adj.

[Gr. [GREEK] two-colored;

δι-

δίσ-

twice + [GREEK] color.]

Furnishing or giving two colors; – said of defective vision, in which all the compound colors are resolvable into two elements instead of three.

Sir J. Herschel.

dichromic ‎(not comparable)

Furnishing or giving two colours; said of defective vision, in which all the compound colours are resolvable into two elements instead of three.
(Can we find and add a quotation of Sir J. Herschel to this entry?)
Containing two atoms of chromium.