Entry 2 senses · 2 variants Webster, 1913 Photolithograph · Pho·to·lith·o·graph · IPA n. v. t. 01 n. A lithographic picture or copy from a stone prepared by the aid of photography. 1. A lithographic picture or copy from a stone prepared by the aid of photography. 02 v. t. To produce (a picture, a copy) by the process of photolithography. 1. To produce (a picture, a copy) by the process of photolithography.