ferrotype

ferro- +‎ -type

ferrotype (countable and uncountable, plural ferrotypes)

1. (uncountable) An early photographic process in which the image was made on an iron plate having a sensitized surface film.
2. (countable) A photograph produced by this means.

   Coordinate term: tintype

ferrotype (third-person singular simple present ferrotypes, present participle ferrotyping, simple past and past participle ferrotyped)

1. (transitive) To produce a ferrotype from.
   • 1916, Michael Gross, Photo-era, Volume 37‎:

     "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."

From ferro- +‎ type.

ferrotype m (plural ferrotypes)

1. ferrotype

• “ferrotype”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.