operation

The definition of an operation is the process of working or functioning, or a surgical procedure.

(noun)

  1. An example of an operation is how a light switch turns on and off.
  2. An example of an operation is someone getting their appendix taken out.

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See operation in Webster's New World College Dictionary

noun

  1. the act, process, or method of operating
  2. the condition of being in action or at work
  3. a process or action that is part of a series in some work
    1. any movement or series of movements made in carrying out strategic military plans
    2. a center where such activities are monitored or supervised, as at an air base
    3. any specific plan, project, venture, etc.: Operation Cleanup
  4. any surgical procedure performed, usually with the aid of instruments, to remedy a physical ailment or defect
  5. Math. any process, as addition, division, etc., involving a change or transformation in a quantity

Origin: ME operacion < OFr < L operatio

See operation in American Heritage Dictionary 4

noun
  1. The act or process of operating or functioning.
  2. The state of being operative or functional: a factory in operation.
  3. A process or series of acts involved in a particular form of work: the operation of building a house.
  4. An instance or method of efficient, productive activity: That restaurant is quite an operation.
  5. An unethical or illegal business: a fencing operation for stolen goods.
  6. Medicine A surgical procedure for remedying an injury, ailment, defect, or dysfunction.
  7. Mathematics A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.
  8. A logical operation.
  9. Computer Science An action resulting from a single instruction.
  10. a. A military or naval action, campaign, or mission.
    b. operations The headquarters or center from which a military action, flights into and out of an airfield, or other activities are controlled.
  11. operations The division of an organization that carries out the major planning and operating functions.

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