noun
photoengraving; photomechanical process
Technical term in photography and printing for creating printing plates using photochemical methods.
写真製版の技術は印刷業界で広く使われている。
Photoengraving technology is widely used in the printing industry.
Compound of 写真 (photograph) and 製版 (plate making). The exact historical derivation is uncertain, but the term directly describes the process of making printing plates via photographic methods.