1798, formed as a noun of state to go with the vocabulary of galvanism; perhaps immediately from French galvanisation (1797 in the "Annales de chimie et de physique").
Entries linking to galvanization
galvanism n.
"electricity produced by chemical action," 1797, from French galvanisme or Italian galvanismo, from Luigi Galvani (1737-1798), professor of anatomy at Bologna, who discovered it c. 1792 while running currents through the legs of dead frogs.