dichromic

Etymology
From +  +.

Adjective

 * 1) furnishing or giving two colours; said of defective vision, in which all the compound colours are resolvable into two elements instead of three
 * 2) containing two atoms of chromium
 * 1) containing two atoms of chromium

Translations

 * Greek:
 * Italian: dicromico
 * Portuguese: dicrômico