1. battery, dry (a) A form of opencircuitbattery in which the solutions by a mass of zinc oxychloride, gypsum, or by a gelatinous mass such as gelatinous silica, or glue jelly, are made practically solid. Numbers of such have been patented, and have met with considerable success.
(b) Zamboni's dry pile, q. v., is sometimes termed a dry battery.