Definition of ferrotype in English:

ferrotype

noun

historical
  • 1A photographic process using iron compounds as developing agents; = "energiatype".

  • 2A photograph taken using a process by which negatives are taken directly on black-enamelled or painted thin iron plates covered with photographic emulsion, the dark background giving the appearance of a positive image.

  • 3In full "ferrotype plate". A thin iron plate used in this process.

Origin

Mid 19th century. From ferro- + -type.

Pronunciation

ferrotype

/ˈfɛrətʌɪp/