platinotype

[ plat-n-oh-tahyp ]

noun

, Photography.

1. a process of printing positives in which a platinum salt is used, rather than the usual silver salts, in order to make a more permanent print.
2. Also called platinum print. a print made by this process.

platinotype

/ ˈplætɪnəʊˌtaɪp /

noun

1. an obsolete process for producing photographic prints using paper coated with an emulsion containing platinum salts, the resulting image in platinum black being more permanent and of a richer tone than the usual silver image

Word History and Origins

Origin of platinotype¹

First recorded in 1875–80; platin(um) + -o- + -type

Example Sentences

A thin negative is better printed by the cold bath process, but negatives should be good and brilliant for platinotype printing.

From Project Gutenberg

Amongst the various printing processes in common use amongst photographers, platinotype is unique in several respects.

From Project Gutenberg

To begin with, platinotype printing is divided into cold-bath process and hot-bath process.

From Project Gutenberg

The negative, therefore, should be dried before being brought into contact with the platinotype paper.

From Project Gutenberg

Make a note of the highest letter visible and proceed to develop the platinotype print.

From Project Gutenberg