What is "aristotype"

Aristotype \A*ris"to*type`\, n. [Gr. ? best + -type.] (Photog.) Orig., a printing-out process using paper coated with silver chloride in gelatin; now, any such process using silver salts in either collodion or gelatin; also, a print so made.

n. 1 A high-symmetry crystallographic structure type that can be viewed as an idealized version of a lower-symmetry structure. 2 (context historical English) A printing process using paper coated with silver chloride in gelatin, or (later) any similar process using silver salts in either collodion or gelatin. 3 (context historical English) A print made by such a process.