The Collaborative International Dictionary
Chromatype
Chromatype \Chro"ma*type\, n. [Gr. ? color + ? type.]
(Photog.) A colored photographic picture taken upon paper made sensitive with potassium bichromate or some other salt of chromium.
The process by which such picture is made.
Wiktionary
chromatype
n. 1 A colour photograph taken on paper made sensitive with potassium bichromate or some other salt of chromium. 2 The process by which such a picture is made.