Definition of monochromat in English:
monochromat
(also monochromate)
noun ˈmɒnəkrə(ʊ)matˌmɒnəˈkrəʊmət
Ophthalmology A person with monochromatism.
Origin
Late 19th century; earliest use found in The Philosophical Review. From German Monochromat from ancient Greek μονο- + χρωματ-, χρῶμα colour.