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Definition of ferrogallic in English: ferrogallicadjectiveˌfɛrə(ʊ)ˈɡalɪk historical 1Designating inks made by adding an iron salt to gallic, tannic, or gallotannic acid. 2Designating a process for producing dark-line images or photocopies using paper sensitized with a solution containing an iron salt and developed with gallic, tannic, or gallotannic acid.
Definition of ferrogallic in US English: ferrogallicadjectiveˌfɛrə(ʊ)ˈɡalɪk historical 1Designating inks made by adding an iron salt to gallic, tannic, or gallotannic acid. 2Designating a process for producing dark-line images or photocopies using paper sensitized with a solution containing an iron salt and developed with gallic, tannic, or gallotannic acid.
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