photoglyphy

from The Century Dictionary.

• noun The art of engraving by means of the action of light and certain chemical processes; particularly, the production by photographic processes of a plate from which copies can be printed in ink. Often restricted to the production of intaglio plates, or photogravure.

from the GNU version of the Collaborative International Dictionary of English.

• noun Photoglyphic engraving. See under photoglyphic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun photoglyphic engraving