Definition of photo-galvanography in English:

photo-galvanography

noun ˌfəʊtə(ʊ)ɡalvəˈnɒɡrəfi

historical

A process for obtaining a relief printing plate from a photograph, in which a relief negative of the photograph is made in sensitized gelatin and a gutta-percha positive taken from this, which is then electroplated.

Mid 19th century. From photo- + galvanography. Compare slightly earlier photo-galvanographic, and slightly later photogalvanic.

nounˌfəʊtə(ʊ)ɡalvəˈnɒɡrəfi

historical

A process for obtaining a relief printing plate from a photograph, in which a relief negative of the photograph is made in sensitized gelatin and a gutta-percha positive taken from this, which is then electroplated.

Mid 19th century. From photo- + galvanography. Compare slightly earlier photo-galvanographic, and slightly later photogalvanic.

单词	photo-galvanography
释义	Definition of photo-galvanography in English: photo-galvanography noun ˌfəʊtə(ʊ)ɡalvəˈnɒɡrəfi historical A process for obtaining a relief printing plate from a photograph, in which a relief negative of the photograph is made in sensitized gelatin and a gutta-percha positive taken from this, which is then electroplated. Origin Mid 19th century. From photo- + galvanography. Compare slightly earlier photo-galvanographic, and slightly later photogalvanic. Definition of photo-galvanography in US English: photo-galvanography nounˌfəʊtə(ʊ)ɡalvəˈnɒɡrəfi historical A process for obtaining a relief printing plate from a photograph, in which a relief negative of the photograph is made in sensitized gelatin and a gutta-percha positive taken from this, which is then electroplated. Origin Mid 19th century. From photo- + galvanography. Compare slightly earlier photo-galvanographic, and slightly later photogalvanic.
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