Dichromatic

Dichromatic may refer to:


 * Dichromacy, a form of color-blindness in which only two light wavelengths are distinguished rather than the usual three
 * Dichromatic, describing an optical device which splits light into two parts according to its wavelength: a form of dichroism
 * A form of polymorphism (biology), typical in sexual dimorphism, in which two phenotypes have different colouration or ornamentation.
 * Dichromatic reflectance model
 * Dichromatism: the property of a substance that changes hue due to change in its concentration or the thickness of a layer.