1. [n]  either the work of covering with metal by the use of a galvanic current or the coating of iron with zinc to protect it from rusting
2. [n]  stimulation that arouses a person to lively action; "the unexpected news produced a kind of galvanization of the whole team"
3. [n]  stimulation with a galvanic current

GALVANISATION is a 13 letter word that starts with G.