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countable and uncountable, plural ferrotypes
(uncountable) An early photographic process in which the image was made on an iron plate having a sensitized surface film. examples
(countable) A photograph produced by this means. examples
third-person singular simple present ferrotypes, present participle ferrotyping, simple past and past participle ferrotyped
(transitive) To produce a ferrotype from. quotations examples
"He ferrotyped the pictures, and the next morning, bright and early, he mounted each one in an art-folder (bought during a period of prosperity), and then fared forth to sell them to the eager parents of his little subjects."
1916, Michael Gross, Photo-era, Volume 37