galvanic cell. An electrochemical cell that spontaneously generates electrical energy.
<chemistry> A device in which chemical energy from a spontaneous redox reaction is changed to electrical energy that can be used to do work, also called a galvanic cell. ... (09 Jan 1998) ... 
an electrochemical cell that serves as a voltage source. Called also galvanic cell.
In electricity, a voltaic cell or primary cell (popularly known as a battery) is that thing which produces electricity by chemical action, or, in other words, transforms chemical into electrical energy. Two plates of dissimilar metal, such as copper and zinc, or a plate of carbon and a plate of zinc, insulated from each other and immersed in a vess...
[n] - an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy
galvanic cell noun an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged