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   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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