chromatype

from The Collaborative International Dictionary of English v.0.48

Chromatype \Chro"ma*type\, n. [Gr. ? color + ? type.]
   [1913 Webster]
   1. (Photog.) A colored photographic picture taken upon paper
      made sensitive with potassium bichromate or some other
      salt of chromium.
      [1913 Webster]

   2. The process by which such picture is made.
      [1913 Webster]