Dry cell
Dry cell (plural dry cells) noun part of a battery: a current-generating electric cell that cannot be regenerated and contains an electrolyte in the form of a paste or within a porous material to keep it from spilling. The most common form of primary cell is the Leclanché cell, invented by the French chemist Georges Leclanché in the 1860s. It is popularly called a dry cell or flashlight battery. The Leclanché cell in use today is very similar to the original invention.