[f. CYANO- + -TYPE.] A photographic process in which paper sensitized by a cyanide is employed; a picture or print obtained by this process: see quot. Also attrib.
1842. Herschel, in Phil. Trans., CXXXII. 210. Cyanotype. If a nomenclature of this kind be admitted … the whole class of processes in which cyanogen in its combinations with iron performs a leading part, and in which the resulting pictures are blue, may be designated by this epithet. The varieties of cyanotype processes seem to be innumerable.
