• (n.) Photoglyphic engraving. See under Photoglyphic.
Pho·tog'ly·phy noun Photoglyphic engraving. See under Photoglyphic . 
photoglyphography, photoglyphy 1. The art or process of engraving by means of the action of light and certain chemical processes. 2. The production of photoglyphic plates and photoglyphs or photogravures.