Obs. [f. energia (see ENERGY) + TYPE.] An earlier name for the photographic process called FERROTYPE.
1845. Athenæum, 22 Feb., 203/1. The Energiatype, or, as the discoverer now names the process, the Ferrotype.
1859. Encycl. Brit., XVII. 550/2. Under the name of the energiatype, Mr. Hunt published an account of a process in which the salts of iron were used.
