from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A positive photograph made directly on an iron plate varnished with a thin sensitized film. Also called tintype.
- n. The process by which such photographs are made.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an early photographic process in which the image is made on an iron plate having a sensitized surface film
from the GNU version of the Collaborative International Dictionary of English
- n. A photographic picture taken on an iron plate by a collodion process; -- familiarly called tintype.
from The Century Dictionary and Cyclopedia
- n. A kind of positive photograph, so called because the sensitive film is laid on a sheet of enameled iron or tin; a tintype. The plate is exposed in the camera and then developed in the ordinary way.
ferro- + -type (Wiktionary)