Definition of battery-operated in English:

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battery-operated

(also battery-powered)

adjective

Powered by means of a battery: emergency equipment such as battery-operated radios
More example sentences
  • The brush may be electric, battery-operated or manual.
  • The surgeon implants four electrodes in the brain, then runs a wire under the skin to a battery-operated generator in the chest.
  • Manufacturers can easily incorporate the chip into any portable, battery-operated gadget.
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