Source : Webster's Revised Unabridged Dictionary (1913)

Photolithograph \Pho`to*lith"o*graph\, n. [Photo- + lithograph.]
   A lithographic picture or copy from a stone prepared by the
   aid of photography.

Photolithograph \Pho`to*lith"o*graph\, v. t.
   To produce (a picture, a copy) by the process of
   photolithography.

Source : WordNet®

photolithograph
     n : a lithograph produced by photographically produced plates