• The method by which a device performs its function.
  • The method or practice by which actions are done.
  • The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
  • A planned undertaking.
  • A business or organization.
  • A surgical procedure.
  • A procedure for generating a value from one or more other values (the operands);
    a function which maps zero or more (but typically two) operands to a single output value.
  • A military campaign (e.g. Operation Desert Storm)
  • Effect produced; influence.


Similar words


  • From Middle French operation, from Old French operacion, from Latin operātiō, from the verb operor, from opus, operis. Equivalent to operate + -ion.

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