Pho′to‐glyph″ic (?), a. [Photo- + Gr. � to engrave.] 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.