Category:Photoglyphic

Pho`to*glyph"ic, a. Etym: [photo- + gr.

Defn: pertaining to the art of engraving by the action of light. [written also photoglyptic.] Photoglyphic engraving, a process of Etching on copper, steel, or zinc, by means of the action of light And certain chemicals, so that from the plate impressions may be Taken. Sir d. Brewster.