|1.||Also: dichroic having or consisting of only two colours|
|2.||(of animal species) having two different colour varieties that are independent of sex and age|
|3.||able to perceive only two (instead of three) primary colours and the mixes of these colours|
dichromatic di·chro·mat·ic (dī'krō-māt'ĭk)
Having or exhibiting two colors.
Of, relating to, or characterized by dichromatism.