from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See ferrotype.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An early, remarkably durable form of photograph (technically a photographic negative), printed on a tin plate, then varnished.
from the GNU version of the Collaborative International Dictionary of English
- n. Same as ferrotype.
from The Century Dictionary and Cyclopedia
- n. A photographic positive taken on a thin plate of japanned iron; a ferrotype.
From tin + type. (Wiktionary)