Definition of operation in English:

operation

Pronunciation /ˌäpəˈrāSH(ə)n/ /ˌɑpəˈreɪʃ(ə)n/

See synonyms for operation

Translate operation into Spanish

noun

  • 1The fact or condition of functioning or being active.

    ‘the construction and operation of power stations’
    • ‘The company has eight power plants in operation and seven under construction.’
    • ‘Maybe I don't but there needs to be work done even if just to prove that the Placebo effect is in operation.’
    • ‘Since 1997, some 40 hospitals and 550 schools are under construction or in operation.’
    • ‘Does that mean that the small hilly State has effectively put into operation a strong system of education?’
    • ‘Monitoring over the coming months will evaluate the effectiveness in operation and safety.’
    • ‘Tested on a track in Italy, they proved both smooth and very effective in operation and bring worthwhile safety advances.’
    • ‘In fact, there are two conflicting economies in operation in Britain.’
    • ‘In fact one has been in operation near Helston, Cornwall, for at least 12 months.’
    • ‘Speed restrictions are in operation at the moment to ensure that the tracks are safe whilst the checking is completed.’
    • ‘By 1812 Jefferson had three threshing machines in operation, two powered by horses and one by a waterwheel.’
    • ‘These mechanisms and powers are always in operation even when empirically the rate of profit is rising.’
    • ‘The task force will be in operation until May 20 when the newly-elected president takes office.’
    • ‘Agents say the tunnel had been under construction for nearly a year and was recently put into operation.’
    • ‘That force is still in operation until you cancel it out.’
    • ‘At their peak 20,000 trolleybuses, which run on wheels and are powered by overhead electric cables, were in operation in the UK.’
    • ‘There are about 17 million energised tube wells in operation all over India running on subsidized power or diesel.’
    • ‘The provincial power shortage will be eased when the Tianwan Nuclear Power Plant is put into operation at the end of this year, he said.’
    • ‘They will be used initially by Derbyshire police force, which hopes to have its system in operation by mid-2002.’
    • ‘But the new powers will not be in operation in York until next month and will only apply to cars of no value that have been vandalised or torched.’
    • ‘There will also be a rental scheme in operation for owners, a fact which may spark a good deal of Irish investor interest.’
    functioning, working, running, performance, action, behaviour
    functioning, working, running, up and running, operative, in use, in action, going
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    1. 1.1An active process; a discharge of a function.
      ‘the operations of the mind’
      • ‘The attorney general really has no direct relation to the operation and function of the election operations in each of these counties.’
      • ‘As we said last November, they're not mentioned in the Reserve Bank Act 1959 or its own overview of its functions and operations.’
      • ‘Because these operations discharge uneaten food, pesticides and fish waste into the ocean, they need permits.’
      • ‘About 170 lines control the sails and yards, so every member of the crew must be familiar with these operations and functions.’
      • ‘No button and keyboard can be found and all the operations can be functioned by vocal message.’
      • ‘At their peak in 1994, there were over twenty such active operations.’
      • ‘The laws that empower the minister of Local Government to regulate the operations and functions of local authorities are still in place.’
      • ‘There is a central reporting mechanism for the operations but the functions are run in a fragmented manner across the different markets.’
      • ‘The PCS runs its own applications, which have very little to do with the actual main function operations in a module.’
      • ‘Judge Mick Brown did an excellent job of reviewing the functions and operations of the department.’
      • ‘The literature on chain ownership's effects on editorial page functions and operations is divided.’
      • ‘The software's main advantage is its ability to be user-friendly, while handling complex processing operations in the background.’
      • ‘I think we need really a significant shake-up, and a change in the processes and operations of the agency.’
      • ‘The Central government prohibited a number of processes and operations, except with its prior permission.’
      • ‘The post incineration process includes six cleansing operations to remove pollutants from the flue gasses.’
      • ‘In the context of the native-title process, and the operations of state bureaucracy in general, mind is privileged over body.’
      • ‘There is nothing like an arbitrary set of symbols to fix the operations of the mind.’
      • ‘Functional neuroimaging purports to offer just such a direct window on the mind's operations.’
      • ‘Identify the key functions and their inter-dependencies with other operations so that you can prioritise the recovery process.’
      • ‘Topics ranged from fuels for missile operations to human bodily functions in space.’
  • 2An act of surgery performed on a patient.

    ‘I've never felt better since my bypass operation’
    • ‘To avoid this problem, some surgeons perform coronary bypass operations on beating hearts.’
    • ‘Vasectomy can easily be performed as an outpatient operation under local anaesthetic.’
    • ‘Patients can visit day surgery units for small operations and be allowed to return home later in the day or evening.’
    • ‘This complication is dependent upon the general state of health of the patient and the extent of the operation performed.’
    • ‘As surgery becomes more precise, faster and safer, related operations are more frequently performed at the same time.’
    • ‘The scheme will then be rolled out to reduce the backlog of patients waiting for other operations such as cataract surgery or hip and knee replacements.’
    • ‘In the past three months, the hospital has treated 26,000 patients and performed 300 operations.’
    • ‘Cardiac surgical procedures are among the most commonly performed operations in the United States.’
    • ‘You may also be asked to avoid eating or drinking from the evening before the surgery until the operation is complete.’
    • ‘We did not study in detail whether the change in sexual activity before and after hysterectomy was related to the operation performed or to other circumstances in life.’
    • ‘Doctors are so scared of being sued that many will refuse to treat high-risk patients or perform difficult operations, medical experts have warned.’
    • ‘In the present study, all operations were performed by one surgeon, avoiding variation in surgical technique as a cause of altered blood loss.’
    • ‘Doctors abandoned up to a dozen heart operations, including by-pass surgery, after the blunder was discovered last Thursday.’
    • ‘The unit will be able to correct various visual problems and perform life-changing operations that will allow patients to see again.’
    • ‘The hospital where he treated patients and performed operations is no more.’
    • ‘The operation is performed under cardiopulmonary bypass and deep hypothermia.’
    • ‘It provides a solution to the old problem of what legal rule allows a casualty surgeon to perform an urgent operation on an unconscious patient who is brought into hospital.’
    • ‘One of the commonest operations performed in Australia is gall bladder removal: the cholecystectomy, usually for gall stones.’
    • ‘They not only provide preventive and basic curative health care but also perform family planning procedures and other surgical operations.’
    • ‘The operation is performed in an operating theatre while you are lying down on your back.’
    surgery, surgical operation, surgical intervention, major surgery, minor surgery
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  • 3A piece of organized and concerted activity involving a number of people, especially members of the armed forces or the police.

    ‘a rescue operation’
    • ‘military operations’
    • ‘His leadership combined military operations, government administration, and economic management.’
    • ‘Arguably they are too late, since the unprecedented military operation staged to rescue her was itself a made for-TV movie directed by the Pentagon.’
    • ‘The official avoided making specific comments on the possibility of a U.S.-led military operation to rescue Koda.’
    • ‘Previously the US has had problems with countries not letting them use their bases for military operations and in directly deploying troops to war zones.’
    • ‘I'm willing to give greater powers to an intelligence director provided we do not give him the power to direct military operations.’
    • ‘He plans to do this by giving control of military operations and lucrative contracts to the United Nations.’
    • ‘The CPS is responsible for ‘political control and strategic management’ during military operations.’
    • ‘In November, the Indian government announced that military operations against the guerrilla groups were unilaterally halted.’
    • ‘Stalin at first panicked, but then assumed personal control over military operations.’
    • ‘It would direct defensive military operations should the United States be attacked.’
    • ‘Before the recent military operations began in Afghanistan doubters claimed that the enterprise would end in disaster, but the coalition's aims were all met.’
    • ‘But first, we begin with two military operations, both of which may be tainted somewhat with controversy.’
    • ‘In other countries, media are simply banned from covering military operations except for passing on government statements.’
    • ‘The government often retaliates with military operations and air strikes.’
    • ‘Tribals, incensed by the military operations, could reject the dominion of the federal government.’
    • ‘Because assassination is an act of war, such activities should always be considered a military operation.’
    • ‘Mercado said four soldiers have so far been wounded in the military rescue operation launched by the government in the early hours of Saturday.’
    • ‘Second, relief operations run by the military carry the risk that they become a ruse to conduct military operations under the guise of supposedly providing assistance.’
    • ‘He has also noted that about half the cases this year occurred during active hostilities or combat operations in the Persian Gulf.’
    • ‘On the ground, peacekeeping operations demonstrate the broadening functions of armies.’
    action, activity, exercise, affair, business, undertaking, step, enterprise, task, job, process, procedure, manoeuvre, campaign
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    1. 3.1A business organization; a company.
      • ‘he reopened his operation under a different name’
      business, enterprise, company, firm, organization, concern
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    2. 3.2An activity in which a business is involved.
      • ‘the company is selling most of its commercial banking operations’
    3. 3.3Preceding a code name for an organized military or police activity.
      ‘Operation Desert Storm’
      • ‘Codenamed Operation Green it was led by the Chief Constable of West Midlands Police, Sir Edward Crew.’
      • ‘Three road blocks were set up, in London Road, Swanscombe, Crooked Road and Rochester Road, in Gravesend, as part of drug-busting Operation Carrot.’
      • ‘The first Operation Iraqi Freedom Medal of Honor nominee was named today.’
      • ‘Prevention is a big Operation Enduring Freedom success.’
      • ‘By launching Operation Market Garden, Field Marshal Montgomery had hoped to end the war by Christmas 1944.’
      • ‘This time it's called Operation Desert Scorpion.’
      • ‘Children at St Mark's Primary School in Danebury Road were busy in the run-up to Christmas, collecting gifts for Operation Christmas Child.’
      • ‘A team of 80 volunteers will leave Shannon Airport on Friday as part of the Chernobyl Children's Project, Operation Hope XVI.’
      • ‘Thus, I have started Operation Make a Soldier Smile.’
      • ‘His USO tours criss-crossed the globe, from jungles to war zones, from World War II to Operation Desert Storm.’
      • ‘Please head over to Operation Give if you've got a minute.’
      • ‘Owen West served with the Marines in Operation Iraqi Freedom.’
      • ‘First item on the agenda is Operation Lady in Red.’
      • ‘This deployment is referred to as Operation Iraqi Freedom Three.’
      • ‘He sure did us proud as a commander of Operation Desert Storm.’
      • ‘All this is in the name of Operation Enduring Freedom.’
      • ‘More than 75 Camp Pendleton Marines have sacrificed their lives in Operation Iraqi Freedom.’
      • ‘Thanks once again to The General for dreaming up Operation Yellow Elephant.’
      • ‘Canada sent a battalion to Afghanistan for Operation Enduring Freedom.’
      • ‘A new NATO operation is underway in Afghanistan: Operation Get the Vote Out.’
  • 4Mathematics
    A process in which a number, quantity, expression, etc., is altered or manipulated according to formal rules, such as those of addition, multiplication, and differentiation.

    ‘Problems can be created to cover all math operations of addition, subtraction, multiplication and division!’
    • ‘That is addition, multiplication and the two inverse operations of subtraction and division.’
    • ‘For example, one can have a group in which the objects are numbers and the combining operation is addition or multiplication.’
    • ‘The inverse of an operation undoes the operation: division undoes multiplication.’
    • ‘Is she over-generalizing the order of operations, thinking that multiplication takes precedence over division?’

Phrases

    put something into operation
    • Cause something to begin functioning or having effect.

      • ‘the government is going to put this plan into operation’
    go out of operation
    • Cease functioning or having effect.

      • ‘the power plant went out of operation due to the shortage of coal’
    come into operation
    • Begin functioning or having effect.

      • ‘our new system has come into operation’

Origin

Late Middle English via Old French from Latin operatio(n-), from the verb operari ‘expend labor on’ (see operate).