A battery

noun

Electronics.

an electric battery for heating the filament or cathode heater of an electron tube.

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Word History and Origins

Origin of A battery¹

First recorded in 1920–25

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Example Sentences

Examples have not been reviewed.

A battery consists of two electrodes -- the anode and cathode, typically made of different materials -- as well as a separator and electrolyte, a chemical medium that allows for the flow of electrical charge.

From

A battery made from zinc and lignin that can be used over 8000 times.

From

Unfortunately, when a pacemaker battery fades, you can’t just go to the drug store for a Double A battery.

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A battery can be charged flexibly, using renewable energy at times of the day with low demand for power, he said.

From

A battery typically makes up around 40% of a new EV's price.

From

abattage abattoir

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