- Also: dichroic
having or consisting of only two colours (of animal species) having two different colour varieties that are independent of sex and age able to perceive only two (instead of three) primary colours and the mixes of these colours
WordReference Random House Unabridged Dictionary of American English © 2026
di•chro•mat•ic
(dī′krō mat′ik, -krə-),USA pronunciation adj.
- Also, dichroic. having or showing two colors;
dichromic. - Optics, Zoology[Zool.]exhibiting two color phases within a species not due to age or season.
- di-1 + chromatic 1840–50
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'dichromatic' also found in these entries (note: many are not synonyms or translations):