The Collaborative International Dictionary
Daguerreian
Daguerrean \Da*guer"re*an\ (d[.a]*g[e^]r"[i^]*an), Daguerreian \Da*guerre"i*an\, a. Pertaining to Daguerre, or to his invention of the daguerreotype.
Wiktionary
daguerreian
a. (alternative form of Daguerrean English)