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Category: Technology
Word Count: 365
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What is a battery?
What is a battery?
     

Sentence Definition
     A battery or a "cell" is a device in which the reaction between two materials can be made to occur in such a way that some of the chemical energy is converted to useful electricity.
Etymology/History     
     The word battery is derived from the middle French word bauttere or "beat". The meaning then shifted from "bombardment" to "unit of artillery" due to battles that had been recorded in England from 1555. It then extended to "electrical cell" perhaps
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