photogravure
Concise Oxford English Dictionary © 2008 Oxford University Press:
photogravure /ˌfəʊtə(ʊ)graˈvjʊə/
▶noun a printing process in which the type or image is produced from a photographic negative transferred to a metal plate and etched in.
– origin C19: from Fr., from photo- ‘relating to light’ + gravure ‘engraving’.
'photogravure' also found in these Oxford entries:

