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.