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  1. OPERATION Definition & Meaning - Merriam-Webster

    May 30, 2026 · The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. How to use operation in a sentence.

  2. OPERATION | English meaning - Cambridge Dictionary

    OPERATION definition: 1. the fact of operating or being active: 2. the way that parts of a machine or system work…. Learn more.

  3. Operation - definition of operation by The Free Dictionary

    Define operation. operation synonyms, operation pronunciation, operation translation, English dictionary definition of operation. n. 1. The act or process of operating or functioning. 2. The state of being …

  4. operation noun - Definition, pictures, pronunciation and usage notes ...

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

  5. Operation (game) - Wikipedia

    Operation is a battery-operated game of physical skill that tests players' hand-eye coordination and fine motor skills. The game's prototype was invented in 1964 by University of Illinois industrial-design …

  6. Operation Definition & Meaning | Britannica Dictionary

    operation (noun) operation /ˌɑːpə ˈ reɪʃən/ noun plural operations Britannica Dictionary definition of OPERATION 1 [count] : a process in which a doctor cuts into someone's body in order to repair or …

  7. OPERATION definition and meaning | Collins English Dictionary

    7 meanings: 1. the act, process, or manner of operating 2. the state of being in effect, in action, or operative (esp in the.... Click for more definitions.

  8. operation - Wiktionary, the free dictionary

    4 days ago · Noun operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

  9. Difference between Surgery and Operation

    Nov 1, 2019 · An operation and a surgery are medical terms that are often used interchangeably, but there are certain differences between them. The major difference between the two is that surgery is …

  10. operation, n. meanings, etymology and more | Oxford English Dictionary

    What is the etymology of the noun operation? operation is of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French operation; Latin operātiōn-, operātiō.