| 单词 | operator |
| 释义 | operator (once / 427 pages) 1n 2n 3n 4n 5n An operator is a person who runs a machine, equipment, or a vehicle. If you want to be a jackhammer operator some day, you might hope to work on a road crew of for a construction company. An operator operates, or controls, something. You could be a radio operator, a heavy machinery operator, or even a telephone operator — or you can be the operator, or manager, of a business. If you start your own dog walking company, you can call yourself an "owner-operator." The Latin root of both operator and operate is operari, "to work," and "to cause." WORD FAMILYoperator: operators+/inoperable: inoperably/interoperable: interoperability/operable: inoperable, interoperable/operate: operable, operated, operates, operating, operation, operative, operator/operation: operational, operations/operational: nonoperational, operationalism, operationally/operationalism: operationalist/operative: inoperative, operatively, operatives, postoperative, preoperative/postoperative: postoperatively USAGE EXAMPLESBank Stadium operator SMG said in a statement that they apparently climbed over a guard rail to access the ridge truss. Seattle Times(Jan 02, 2017) Rangitsch, owner and operator of Aspen Dental in Marion, began collecting vinyl records about a year and a half ago. Washington Times(Jan 02, 2017) Paul Plummer is the chief executive of the Rail Delivery Group which represents train operators and Network Rail. BBC(Jan 02, 2017) 1 n an agent that operates some apparatus or machine 2the operator of the switchboard Syn|Exp|Hypo|Hyper manipulator John Luther Jones United States railroad engineer who died trying to stop his train from crashing into another train; a friend wrote a famous ballad describing the incident (1864-1900) Berna Eli OldfieldUnited States race driver who was the first to drive faster than a mile a minute (1878-1946) company operator an operator who works for a company driverthe operator of a motor vehicle elevator operatoran operator of an elevator engine driver, engineer, locomotive engineer, railroad engineerthe operator of a railway locomotive hoisteran operator of a hoist jockeyan operator of some vehicle or machine or apparatus motormanthe operator of streetcar radio operatorsomeone who operates a radio transmitter switchmana man who operates railroad switches telegraph operator, telegrapher, telegraphistsomeone who transmits messages by telegraph switchboard operator, telephone operator, telephonistsomeone who helps callers get the person they are calling bus driver, busmansomeone who drives a bus chauffeura man paid to drive a privately owned car designated driverthe member of a party who is designated to refrain from alcohol and so is sober when it is time to drive home elevator girla girl employed to operate an elevator elevator boy, elevator man, liftmana man employed to operate an elevator hama licensed amateur radio operator honkera driver who causes his car's horn to make a loud honking sound kerb crawlersomeone who drives slowly along the curb seeking sex from prostitutes or other women automobilist, motoristsomeone who drives (or travels in) an automobile owner-drivera motorist who owns the car that he/she drives automobile driver, race driver, racersomeone who drives racing cars at high speeds road hog, roadhoga driver who obstructs others speed demon, speedera driver who exceeds the safe speed limit tailgatera driver who follows too closely behind another motor vehicle cabby, cabdriver, cabman, hack driver, hack-driver, livery driver, taxidriver, taximansomeone who drives a taxi for a living teamster, truck driver, truckersomeone who drives a truck as an occupation test drivera driver who drives a motor vehicle to evaluate its performance causal agency, causal agent, cause any entity that produces an effect or is responsible for events or results n someone who owns or operates a business 3who is the operator of this franchise? Hypo|Hyper supermarketeer, supermarketer an operator of a supermarket businessman, man of affairs a person engaged in commercial or industrial business (especially an owner or executive) n a speculator who trades aggressively on stock or commodity markets 4Hyper plunger, speculator someone who risks losses for the possibility of considerable gains n a shrewd or unscrupulous person who knows how to circumvent difficulties 5Syn|Hypo|Hyper hustler, wheeler dealer wire-puller one who uses secret influence (i.e. pulls wires or strings) for his own ends opportunist, self-seeker a person who places expediency above principle n (mathematics) a symbol or function representing a mathematical operation Hypo|Hyper linear operator an operator that obeys the distributive law: A(f+g) = Af + Ag (where f and g are functions) identity, identity element, identity operatoran operator that leaves unchanged the element on which it operates function, map, mapping, mathematical function, single-valued function (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function) |
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