What is "calotype"

Calotype \Cal"o*type\, n. [Gr. kalo`s beautiful + ty`pos type.] (Photog.) A method of taking photographic pictures, on paper sensitized with iodide of silver; -- also called Talbotype, from the inventor, Mr. Fox. Talbot.

n. A talbotype

Calotype or talbotype is an early photographic process introduced in 1841 by William Henry Fox Talbot, using paper coated with silver iodide. The term calotype comes from the Greek (kalos), "beautiful", and (tupos), "impression".