An engraving used to reproduce an illustration WordNet 3.0 & Open English WordNet

Photoengraving is a process that uses a light-sensitive photoresist applied to the surface to be engraved to create a mask that protects some areas during a subsequent operation which etches, dissolves, or otherwise removes some or all of the material from the unshielded areas of a substrate. Wikipedia

Using photoresist to create a mask on the surface to be engraved. Wikipedia Disambiguation

Type of engraving process Wikidata

A picture made by using the process of half-toning. Wiktionary

Picture made by half-toning. Wiktionary (translation)

A process of transferring a photographic image onto a plate which is then etched and printed. Wiktionary