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platinotype

[ plat-n-oh-tahyp ]
/ ˈplæt n oʊˌtaɪp /
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noun Photography.
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.
Also called platinum print . a print made by this process.
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Origin of platinotype

First recorded in 1875–80; platin(um) + -o- + -type
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use platinotype in a sentence

British Dictionary definitions for platinotype

platinotype
/ (ˈplætɪnəʊˌtaɪp) /

noun
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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