Wiktionary
galvanic action
n. (context metallurgy English) an electrochemical action that generates electrical current between two metals of dissimilar electrode potential.
Usage examples of "galvanic action".
They are extremely sensitive to various stimulants, namely repeated touches, the pressure of minute particles, the absorption of animal matter and of various fluids, heat, and galvanic action.
And in that moment, Roche moved - from absolute stillness to galvanic action.
There was a sour taste of galvanic action as the contacts closed, a tingle as an echo bounced back from metal somewhere out across the night.