gal ‧ va ‧ nis ‧ m /ˈɡælvənɪz ə m/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Language: French ; Origin: from Luigi Galvani (1739-98), Italian scientist who studied electricity ]
technical the production of electricity by the use of chemicals, especially as in a ↑ battery