dichromic
/dʌɪˈkrəʊmɪk/adjective
1 Ophthalmology and Physiology = dichromatic.
2 Science. = dichroic.
Origin
Mid 19th century; earliest use found in John Herschel (1792–1871), mathematician and astronomer. From Hellenistic Greek δίχρωμος two-coloured + -ic.