photogravure
/ˌfəʊtəʊgrəˈvjʊə(r)/noun
1- an image produced from a photographic negative transferred to a metal plate and etched in照相凹版印刷品。
1.1
- mass noun the production of images in this way照相凹版印刷。
词源
late 19th cent.: from French, from photo- 'relating to light' + gravure 'engraving'.