operation - Dictionary definition and pronunciation - Yahoo! Education

Definition of operation

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op·er·a·tion  audio  (p-rshn) KEY 

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.
    1. A military or naval action, campaign, or mission.
    2. 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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