Daguerreotype
WordNet
noun
(1) A photograph made by an early photographic process; the image was produced on a silver plate sensitized to iodine and developed in mercury vapor
WiktionaryText
Etymology
Named after French artist Louis Daguerre who announced the process in 1839. Daguerre developed the process after some years of collaborations with French chemist Nicéphore Niépce.
Noun
- An early type of photograph created by exposing a silver surface which has previously been exposed to either iodine or bromine vapour.