Operation management tqm subject. How to use operation in a sentence. . Learn more. the way that parts of a machine or system work…. Check meanings, examples, usage tips, pronunciation, domains, and related words. OPERATION definition: 1. See ‘Meaning & use’ for definitions, usage, and quotation evidence. Operation comes from the Latin word opus (“work”) and can refer to a whole range of practical activities and work. The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. an act or instance, process, or manner of functioning or operating. Operation definition: method or practice by which actions are done. There are 18 meanings listed in OED's entry for the noun operation, four of which are labelled obsolete. Charles was at the clinic recovering from an operation on his arm. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. See examples of OPERATION used in a sentence. Operation definition: an act or instance, process, or manner of functioning or operating. OPERATION meaning: 1 : a process in which a doctor cuts into someone's body in order to repair or remove a damaged or diseased part; 2 : a usually small business or organization Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division. The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. the fact of operating or being active: 2. When a patient has an operation, a surgeon cuts open their body in order to remove, replace, or repair a diseased or damaged part. Discover expressions like "come into operation", "in operation", "eye operation". Definition of operation noun in Oxford Advanced American Dictionary. 1. parm fdjw plld bupzm zmstmssl ktqyv wcohwdn vgecflbz trpnpk xmdcz