Phototrichromatic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Phototrichromatic \Pho`to*tri`chro*mat"ic\, a. [Photo- + tri- +
     chromatic.]
     Designating a photomechanical process for making
     reproductions in natural colors by three printings.
     [Webster 1913 Suppl.]