voltaic couple

noun

, Electricity.

1. a pair of substances, as two different metals, that when placed in a proper solution produces an electromotive force by chemical action.

voltaic couple

noun

1. physics a pair of dissimilar metals in an electrolyte with a potential difference between the metals resulting from chemical action

Example Sentences

The arrangement of two dissimilar metals immersed in a liquid which acts upon one of them is called a voltaic couple.

From Project Gutenberg