Definition of "photo-engraving" []

• The process of obtaining an etched or engraved plate from the photographic image, to be used in printing; also, a picture produced by such a process. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "It will be seen that this process may be used with advantage instead of that of photo-engraving with bitumen, in cases where it is not advisable to use acids."
• "Practically all book illustrations, as well as those in catalogues and periodicals of all kinds, are made by some method of photo-engraving."
• "All methods of relief plate photo-engraving come under two general heads: "Half-tone" and "line engraving," the latter being very generally known as "zinc etching.""