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operation

[op-uh-rey-shuhn]

Example Sentences Origin

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noun

an act or instance, process, or manner of functioning or operating.

the state of being operative (usually preceded by in or into): a rule no longer in operation.

the power to act; efficacy, influence, or force.

the exertion of force, power, or influence; agency: the operation of alcohol on the mind.

a process of a practical or mechanical nature in some form of work or production: a delicate operation in watchmaking.

EXPAND

a course or procedure of productive or industrial activity: building operations.

a particular process or course: mental operations.

a business transaction, especially one of a speculative nature; deal: a shady operation.

a business, especially one run on a large scale: a multinational operation.

10.

Surgery. a procedure aimed at restoring or improving the health of a patient, as by correcting a malformation, removing diseased parts, implanting new parts, etc.

11.

Mathematics.

a mathematical process, as addition, multiplication, or differentiation.

the action of applying a mathematical process to a quantity or quantities.

12.

Military.

a campaign, mission, maneuver, or action.

Usually, operations. the conduct of a campaign, mission, etc.

operations, a headquarters, office, or place from which a military campaign, air traffic to and from an airfield, or any of various other activities, is planned, conducted, and controlled.

operations, the people who work at such a headquarters.

COLLAPSE

Origin:
1350–1400; Middle English operacioun < Latin operātiōn- (stem of operātiō), equivalent to operāt(us) (see operate) + -iōn- -ion

Related forms

mis·op·er·a·tion, noun

pre·op·er·a·tion, noun

re·op·er·a·tion, noun

sub·op·er·a·tion, noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To operation

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Operation is always a great word to know.

So is doohickey. Does it mean:

a fool or simpleton; ninny.

a gadget; dingus; thingumbob.

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Example Sentences

It was, in the annals of terrorism, an exquisitely choreographed operation.

About two months ago he had an infection and this involved an operation and hospital stay.

Party spokesmen refuse to describe her illness, apart from saying that she left intensive care after an operation.

EXPAND

It was, in the annals of terrorism, an exquisitely choreographed operation.

About two months ago he had an infection and this involved an operation and hospital stay.

Party spokesmen refuse to describe her illness, apart from saying that she left intensive care after an operation.

Scene from footage of a drug smuggling operation in a parking lot.

The operation known as hemispherectomy-where half the brain is removed-sounds too radical to ever consider, much less perform.

Here are a few pictures of the test kitchen in operation.

The operation itself was the culmination of years of careful and highly advanced intelligence work.

Farrell's family knew that the military operation was taking place.

Develops processes and procedures for operation of grant in compliance with terms of grant.

The plane could potentially be ready within two years and ready for operation in three.

The biggest causes are the operation of fossil fuel-burning power plants and automobiles that combust fuel.

Our tipsters have sent us a copy of the military's logo for last week's satellite-shooting operation.

Jobs was urged to undergo an operation to remove it.

Significant experience in large-scale sound system design, installation and operation preferred.

Some of the skulls had been perforated more than once, including one individual who had undergone the operation seven times.

Molecular biology has been largely a reductive science that deduces the operation of living systems by breaking them apart.

The operation is a success, but the patient dies after complications set in.

Adding more garages makes the operation harder to run and raises the permit prices.

Proper camera operation cannot be guaranteed when using other cards.

He may even have rehearsed the operation in cyberspace before the incision was made.

Doctors examine her to see if she should undergo an operation.

Operation can change from hydrogen to gasoline when no hydrogen pump is on the road.

Since it had room onboard to accommodate all of the survivors, it would end up coordinating the rescue operation.

But if he is an old person, the consequences of this operation may be irreversible.

For instance, many surgical devices may be removed from packaging, but not used in an operation.

In fact, from an engineering perspective, it would be irresponsible not to test the machine at a lower level of operation.

Having surgery to remove cataracts has its risks, but the deceptively simple operation can be life changing.

Cuban doctors were reported to have botched the initial operation.

Watch as a small band of intrepid explorers uncover a rain forest mining operation that is poisoning the local environment.

The craft has been specially designed for operation close to the sun.

Tate runs an operation with the kind of resources that many small colleges would.

It will lead to a further split between branding/distribution and operation and real estate with the hotel chains losing out.

Modern medical devices rely on software for almost every aspect of their operation.

In a request for information, the military service announced its interest in setting up a poultry operation for the.

In a sign of how book marketing has changed, the restructuring hit the press's publicity operation hardest.

He was murdered on the eve of unleashing a police operation to crush organised crime.

In recent months, iPodlounge has grown from a niche website into a professional publishing operation with big plans.

The operation cracked down on crossings with motion detectors, stadium lighting, and more than double the number of agents.

The operation almost completely wiped out the locusts overnight.

Trying to set up an e-book-distribution operation at each college store would be difficult and expensive.

Some reports have likened the operation to a human zoo.

The selection of the right person to oversee the operation of an overseas project or partnership is crucial.

But a mining operation has cavers and residents concerned.

The addition of more complex power cycles would reduce this requirement and help enable frost free operation.

Police say they caught the pair in a sting operation as they tried to sell equipment to a computer-store owner.

Others work for food, and the chance of a playful tug-of-war after a successful operation.

Simply slowing the rotation or cooling the gear would return it to normal operation.

Instead, they ask as if their operation had no room for improvement.

His family couldn't afford the operation and he died in the hospital of an infection.

But the fragile quantum states essential to their operation are easily destroyed by jolts from the outside environment.

Sperling had stepped back from the daily operation of the company, concentrating on his environmental causes and his writing.

Early phases of today's operation went according to plan.

Every operation starts with a cut and ends when the incision is closed.

We have wasted a lot of fuel, ship, aircraft and man time in a futile decoy operation which attracted no shooters.

Participants say that when the operation ended, the community stayed in contact and bolstered their training for future spills.

Battery exchange stations are already in operation in some countries.

Few campuses are willing to spend much of their own money to subsidize an off-campus operation.

There has been some debate about the proper approach to depicting both the operation of and effect of slavery on black culture.

And why they investigate the operation and design of biological systems, and apply their discoveries to new technology.

So this operation is important for the future survival of this species.

Get that operation if that's what it takes to keep you out of the vicious cycle of inactivity.

Doctors hope that he will be ready for his next operation within the next six months.

Now only limited number of aqua farms are in operation.

And you have to be careful not to lose water in the operation.

COLLAPSE

Collins

World English Dictionary

operation (ˌɒpəˈreɪʃən)

—n
1.	the act, process, or manner of operating
2.	the state of being in effect, in action, or operative (esp in the phrases inorinto operation)
3.	a process, method, or series of acts, esp of a practical or mechanical nature
4.	surgery any manipulation of the body or one of its organs or parts to repair damage, arrest the progress of a disease, remove foreign matter, etc
5.	a. a military or naval action, such as a campaign, manoeuvre, etc
	b. (capital and prenominal when part of a name) : Operation Crossbow
6.	maths
	a. any procedure, such as addition, multiplication, involution, or differentiation, in which one or more numbers or quantities are operated upon according to specific rules
	b. a function from a set onto itself
7.	a commercial or financial transaction

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

operation

late 14c., "action, performance, work," also "the performance of some science or art," from O.Fr. operacion, from L. operationem (nom. operatio) "a working, operation," from operari "to work, labor" (in L.L. "to have effect, be active, cause"), from opera "work, effort," related to opus (gen. operis)

EXPAND

"a work" (see opus). The surgical sense is first attested 1597. Military sense of "series of movements and acts" is from 1749.

COLLAPSE

American Heritage

Medical Dictionary

operation op·er·a·tion (ŏp'ə-rā'shən)
n.

A surgical procedure, usually using instruments, for remedying an injury, an ailment, a defect, or a dysfunction.
The act, manner, or process of functioning.

American Heritage

Science Dictionary

operation

(ŏp'ə-rā'shən) Pronunciation Key

Medicine A surgical procedure for remedying an injury, ailment, defect, or dysfunction.
Mathematics A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.
A logical operation.
Computer Science An action resulting from a single instruction.

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