ferrotypeEtymologyFrom ferro- + -type.nounAn early photographic process in which the image was made on an iron plate having a sensitized surface film.A photograph produced by this means.verbTo produce a ferrotype from.“"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."”