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definition of the word operation

by the Wiktionnary

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From Latin operari (to work), from opus, operis (work)



operation (plural operations)

  1. the method by which a device performs its function.
    It is dangerous to look at the beam of a laser while it is in operation.
  2. the method or practice by which actions are done.
    We run our operation from a storefront.
  3. (medicine) a surgical procedure.
    She had an operation to remove her appendix.
  4. (mathematics) a procedure for generating a value from one or more other values (the operands; the value for any particular operands is unique)
  5. (military) a military campaign (w:Operation Desert Storm)

Definition from Wiktionary
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