an early battery cell, consisting of several metal disks, each made of one of two dissimilar metals, arranged in an alternating series, and separated by pads moistened with an electrolyte.
voltaic pile
A source of electricity consisting of a number of disks that alternate between two different metals and are separated by acid-moistened pads, forming a set of galvanic cells connected in series. See more at galvanic. See Note at battery.
