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• n  the state of being in effect or being operative
  that rule is no longer in operation
• n  a business especially one run on a large scale
  a large-scale farming operation
  a multinational operation
  they paid taxes on every stage of the operation
  they had to consolidate their operations
• n  a planned activity involving many people performing various actions
  they organized a rescue operation
  the biggest police operation in French history
  running a restaurant is quite an operation
  consolidate the companies various operations
• n  (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
  it can perform millions of operations per second
• n  activity by a military or naval force (as a maneuver or campaign)
  it was a joint operation of the navy and air force
• n  a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
  they will schedule the operation as soon as an operating room is available
• n  a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
  the operations in building a house
  certain machine tool operations
• n  process or manner of functioning or operating
  the power of its engine determines its operation
  the plane's operation in high winds
• n  (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
  the cognitive operation of remembering
• n  (mathematics) calculation by mathematical methods
  they were learning the basic operations of arithmetic
• n  the activity of operating something (a machine or business etc.)
  her smooth operation of the vehicle gave us a surprisingly comfortable ride

• The operation, conducted by CIA alchemists from 1954 until 1963, was part of a quarter-century hunt for a psychogenic philosophers' stone.
• The male-to-female operation, which costs from $3,000 to $5,000, is by far the easier and more satisfactory.
• Throughout the operation, Palestinian officials had said that as many as 800 had been killed.

• military operation
• surgery
• surgical operation
• surgical procedure
• surgical process
• procedure
• functioning
• performance
• process
• cognitive process
• mental process
• cognitive operation
• mathematical process
• mathematical operation

News & Articles

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• Operation Oshkosh: Enchanting Decor & Gifts
  This week the crew at Operation Oshkosh visits Enchanting Decor & Gifts, an Oregon Street store with all types of furniture and accessories for your home.
  June 19, 2013 - The Oshkosh Northwestern
• Operation Border to Border Yields 1,000+ Arrests, Summonses
  Six state police and highway patrol agencies spent June 7 through June 9 enforcing Operation Border to Border along U.S. Route 15.
  June 19, 2013 - NBC 29 Charlottesville
• Operation Facelift Getting Bigger In Kimberly
  Kimberly, Idaho ( KMVT-TV / KTWT-TV ) Operation Facelift is up and running. The city of Kimberly already has 20 projects under its belt. Now it's tackling a bigger job with more volunteers.
  June 17, 2013 - KMVT Twin Falls

Quotes

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• David Petraeus in Sydney Morning Herald
  On this important endeavour, co-operation is not optional,Petraeus added.
• John McCain in The Associated Press
  The Taliban know that Kandahar is the key to success or failure,McCain told a news conference at the airport in Kabul. "So what happens in this operation will have a great effect on the outcome of this conflict. But I am convinced we can...
• Mahinda Rajapakse in BBC News
  Speaking in Jordan before returning to Sri Lanka, President Rajapaksa said: "My government, with the total commitment of our armed forces, has in an unprecedented humanitarian operation finally defeated the LTTE militarily. I will be going back to a...