(countable, electronics) A device used to power electric devices, consisting of a set of electrically connected electrochemical or, archaically, electrostatic cells. A single such cell when used by itself.

(dated, electronics) A battery used to heat the filament or cathode heaters of electron tubes.

plural of battery

(dance) A brilliant display of virtuosity in which the dancer's legs open and close rapidly while in the air, with the illusion of striking together and rebounding.

plural of A battery

Having a (specified kind of) battery.

(physics) any device that converts the energy of particles emitted from atomic nuclei into electrical energy

(physics) Any device that converts the energy of particles emitted from atomic nuclei into electrical energy.

(automotive) A 12-volt battery used run the electric starter motor to start the internal combustion engine of an automobile, and power accessories when the engine is off and alternator is not turning.

Any of a group of electrical batteries that have a lithium anode; used in many portable electronic devices.