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English definition of “battery”

battery

noun [C] (ELECTRICAL DEVICE)    /ˈbæt.ər.i/ US  /ˈbæt̬.ɚ.i/
A2 a device that produces electricity to provide power for radios, cars, etc.: a rechargeable battery a battery-operated hairdryer This alarm clock takes two medium-sized batteries. I think the battery is dead/gone (UK also flat) (= has lost its power).Electrical components and circuitryThe engine and engine partsEngines and motors
(Definition of battery noun (ELECTRICAL DEVICE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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