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English definition of “operator”

operator

noun [C]     /ˈɒpəreɪtər/
TELEPHONE someone who helps to connect people on a telephone system: Why don't you call the operator?Occupations and tradesCommunicating by telephone
MACHINE B2 someone whose job is to use and control a machine or vehicle: a computer operatorOccupations and trades
BUSINESS B2 a company that does a particular type of business: a tour operatorBusinesses and enterprises
(Definition of operator noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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