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English definition of “operator”

operator

noun [C]     /ˈɒp.ər.eɪ.tər/ US  /ˈɑː.pə.reɪ.t̬ɚ/
B2 someone whose job is to use and control a machine or vehicle: a computer operatorActing and actsDealing with things or people B2 a company that does a particular type of business: a tour operatorBusinesses and enterprises a person who helps to connect people on a phone systemCommunicating by telephone a smooth, clever, etc. operator a person who deals with people or problems cleverly, especially for their own advantage: He has shown himself to be a canny operator in wage negotiations.People in charge of or controlling other peopleBosses, managers and directors
(Definition of operator noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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