Water battery

Wa´ter bat´ter`y

1.(Elec.) A voltaic battery in which the exciting fluid is water.
2.(Mil.) A battery nearly on a level with the water.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Head over to Fort Totten Park in Queens for a historically frightening tour of the Water Battery Gate lead by park rangers.
Substances can be brought into contact with other materials in the water bridge for the purpose of chemical reactions, water can become a "water battery" as a storage of electric charge, and acids and alkalis can be produced without any opposing ions -- without acid and alkaline water.
To meet demands for heat, an air-to-water heat pump, hot water battery and underfloor heating are used.
H2O Multifunction Clock - Replaceable Water Battery - Time Alarm pounds 16.50.