照相版 zhàoxiāngbǎn

zhàoxiāngbǎn noun photogravure
Domain: Modern Chinese 现代汉语 , Subdomain: Printing
Notes: A process where a pattern is added to a copper plate and coated with a light-sensitive substance (Guoyu '照相版'; Mathews 1931 '照相版', p. 28)