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1. Dictionary

   Op·er·a·tion

   /ˌäpəˈrāSH(ə)n/

   

   noun

   • 1. the fact or condition of functioning or being active: "the construction and operation of power stations" Similar functioningworkingrunningperformanceactionbehavior
   • ▪ an active process; a discharge of a function: "the operations of the mind"
   • 2. an act of surgery performed on a patient: "I've never felt better since my bypass operation" Similar surgerysurgical operationsurgical interventionmajor surgeryminor surgery
   • 3. a piece of organized and concerted activity involving a number of people, especially members of the armed forces or the police: "a rescue operation" Similar actionactivityexerciseaffairbusinessundertakingstepenterprisetaskjobprocessproceduremaneuvercampaign
   • ▪ a business organization; a company: "he reopened his operation under a different name" Similar businessenterprisecompanyfirmorganizationconcerninformal:outfitsetup
   • ▪ an activity in which a business is involved: "the company is selling most of its commercial banking operations"
   • ▪ preceding a code name for an organized military or police activity: "Operation Desert Storm"
   • 4. a process in which a number, quantity, expression, etc., is altered or manipulated according to formal rules, such as those of addition, multiplication, and differentiation.

   Word Origin late Middle English: via Old French from Latin operatio(n-), from the verb operari ‘expend labor on’ (see operate).

   Scrabble Points: 11

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2. People also ask

   What does operation of a device mean?

   • Operation of the device is extremely simple. [countable, usually plural] military activity He was the officer in charge of operations. to start working; to start having an effect synonym come/enter into force The new rules will come into operation next week. working, being used, or having an effect The system has been in operation for six months.

   operation noun - Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/us/definition/american_english/operation

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   What does operation mean?

   • operations plural : the agency of an organization charged with carrying on the principal planning and operating functions of a headquarters and its subordinate units The family runs a small farming operation. The company is a billion-dollar operation.

   Operation Definition & Meaning - Merriam-Webster

   www.merriam-webster.com/dictionary/operation

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   What does the Operations Department do?

   • The operations department is responsible for ensuring a company operates as efficiently and economically as possible. an operation to do sth The police have launched an operation to prevent the sale of pirated software. A rescue operation to save the country's largest bank is underway. a cost-cutting operation.

   OPERATION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/operation

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   What is the difference between a campaign and an operation?

   • a campaign, mission, maneuver, or action. operations, a headquarters, office, or place from which a military campaign, air traffic to and from an airfield, or any of various other activities, is planned, conducted, and controlled. operations, the people who work at such a headquarters.

   OPERATION Definition & Meaning | Dictionary.com

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3. www.merriam-webster.com › dictionary › operationOperation Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › operation

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   Learn the various meanings and uses of the word operation, from practical work to mathematical process to military action. See synonyms, examples, etymology, and related phrases of operation.

4. www.dictionary.com › browse › operationOPERATION Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › operation

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   Operation is a noun that means an act or instance, process, or manner of functioning or operating. It can also refer to a state of being operative, a power to act, a procedure, a business transaction, a military campaign, or a mathematical process. See synonyms, origin, and usage examples for operation.

5. dictionary.cambridge.org › english › operationOPERATION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › english › operation

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   Learn the meaning of operation in different contexts, such as work, medicine, mathematics, and business. Find out how to use operation in sentences with examples from the Cambridge Dictionary.

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7. dictionary.cambridge.org › english › operationOPERATION | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › english › operation

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   Learn the meaning of operation in different contexts, such as work, medicine, mathematics, and business. Find out how to use operation in sentences and collocations with examples from various sources.

8. www.vocabulary.com › dictionary › operationOperation - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › operation

   noun. process or manner of functioning or operating. “the power of its engine determines its operation ” “the plane's operation in high winds” synonyms: functioning, performance. see more. noun. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work. “the operations in building a house”

9. www.oxfordlearnersdictionaries.com › us › definitionoperation noun - Definition, pictures, pronunciation and ...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of operation noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

10. www.thefreedictionary.com › operationOperation - definition of operation by The Free Dictionary

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    Learn the meaning and usage of the word operation in different contexts, such as surgery, business, mathematics, military, and more. Find synonyms, antonyms, related terms, and examples from various sources and dictionaries.