collodion process
noun
: a photographic process in which collodion is used as a vehicle for sensitive salts
specifically
: an early process in which the negative is prepared by coating a glass plate with collodion containing iodide, exposing in a camera while wet, developing with pyrogallol or acidified ferrous sulfate, and fixing in a cyanide solution or hypo
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“Collodion process.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collodion%20process. Accessed 23 Nov. 2024.
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