Definition of battery-operated in English:

battery-operated

Syllabification: bat·ter·y-op·er·at·ed
(also battery-powered)

adjective

Powered by means of a battery: emergency equipment such as battery-operated radios

Definition of battery-operated in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up