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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 is the operation of a machine?

   • Operation of the device is extremely simple. Competition is central to the operation of markets. The machine can get very hot during operation. [uncountable] the action of functioning; the fact of being used or active or having an effect The factory will cease operation at the end of the year.

   operation noun - Definition, pictures, pronunciation and usage notes

   www.oxfordlearnersdictionaries.com/us/definition/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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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, word history, and related phrases.

4. 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 and phrases with examples from the Cambridge Dictionary.

5. 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.

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7. 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 process of functioning, operating, or influencing. It can also refer to a business, a surgery, a mathematical process, or a military action. See synonyms, word history, and example sentences.

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

   www.oxfordlearnersdictionaries.com › us › definition

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   Learn the meaning, pronunciation and usage of the word operation in different contexts, such as medical, business, computer, military and mathematics. Find synonyms, idioms and related words for operation.

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

   www.vocabulary.com › dictionary › operation

   Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division.

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

    www.oxfordlearnersdictionaries.com › us › definition

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    operation to do something He had an operation to remove a growth. operation on somebody/something (to do something) an operation on her lung to remove a tumour operation for something Doctors performed an emergency operation for appendicitis last night.