From Longman Dictionary of Contemporary EnglishRelated topics: Telephone, telegraph, Technology, Business basicsoperatorop‧e‧ra‧tor /ˈɒpəreɪtə $ ˈɑːpəreɪtər/●くろまる●くろまる○しろまるW3 noun [countable]1TCTsomeone who works on a telephoneswitchboard, who you can call for helpHello, operator? Could you put me through to Room 31?2TWORKERsomeone who operates a machine or piece of equipmentmachine/computer/radio etc operatorcomputers which can be used by untrained operators3BBa person or company that operates a particular businessnew regulations affecting taxi operatorsJulian travelled with Caribbean Connection, the UK's leading Caribbean tour operator (=company that arranges holidays).a private operator running regular passenger services4PERSUADEsomeone who is good at achieving things by persuading people to help or agree with themMonsieur Valentin was a formidable political operator.He may not look it, but Newman is a smooth operator (=someone who is good at persuading people but who you feel you cannot trust).Examples from the Corpusoperator• The boat will then by put to the test by operators and their viewscanvassed.• a day-care centeroperator.• When the end of the column was over the steel baseplate, the craneoperatorlowered it slowly into position.• an elevatoroperator• Keith, a generaloperator at Associated Octel's plant in Ellesmere Port, is thrilled to see his brother back home.• Life insurers and nursing home operatorsplot their own windfalls.• By the same token, cinemas had no operators, and so few halls remained open.• a politicaloperator• The system provides operators with detailedreal-timeanalysis of the status of all of their fleets.• Dial "0" to get the operator.• a touroperatormachine/computer/radio etc operator• Example Alan employs Brian as a machine operator.• He began to receivemessagespurporting to come from his deceasedfriend, who had been a radio operator.• It was one thing to tell a machine operator he or she had no choice about being measured.• If the radio operator kept his mouthshut, the transgression might not get to the ears of his superiors.• The machine operator she replaced is unemployed and too old to be re-skilled.• At this stage the typicalmachine operatormanipulated machine controls on the basis of data presented on instruments.• They never discussed with machine operators or engineers how the equipment was maintained.private operator• But private operators can turn profits only if pricesrise radically and rapidly.• Nearly all Britain's hazardouswaste is handled by private operators.• Will the investment in new wagons be justified by private operators or leasing companies given the uncertainty of the market?• Fifteen states have passed laws enablingprivate operators to run roads and railways: the state of Washington did so last month.• Get private operators on the railway and everything will work just fine.• The briefexperience of Stagecoach, the only private operator running regularpassenger services, has been mixed.• One of them, set up by six private operators, runs 80 cinemas that meet internationalstandards.• The state expected to raise US3,500ドル million from the divestment of its controllingshares to private operators.smooth operator• He may not look it, but he is a smooth operator.• He was then a smooth operator.• Behind the scenes ... chaos ... smooth operators ... and hairdressers everywhere.• Here are the big time smooth operators.From Longman Business Dictionaryoperatorop‧e‧ra‧tor /ˈɒpəreɪtəˈɑːpəreɪtər/ noun [countable]1JOBSMANUFACTURINGsomeone who works a machine or piece of equipmenta computer operatorThis machine requires a skilled operator.2a person or company that operates a particular businessthe merger of two ferry operators → see alsoowner-operator →tour operator3someone who works on a telephone SWITCHBOARD, who you can call for help when you have problemsI tried calling the operator.