operation
Americannoun
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an act or instance, process, or manner of functioning or operating.
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the state of being operative (usually preceded by in orinto ).
a rule no longer in operation.
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the power to act; efficacy, influence, or force.
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the exertion of force, power, or influence; agency.
the operation of alcohol on the mind.
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a process of a practical or mechanical nature in some form of work or production.
a delicate operation in watchmaking.
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a course or procedure of productive or industrial activity.
building operations.
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a particular process or course.
mental operations.
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a business transaction, especially one of a speculative nature; deal.
a shady operation.
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a business, especially one run on a large scale.
a multinational operation.
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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.
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Mathematics.
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a mathematical process, as addition, multiplication, or differentiation.
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the action of applying a mathematical process to a quantity or quantities.
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Computers. any discrete activity or action that is performed by a computer, as reading, writing, processing, sending, or receiving data.
The http request operation has timed out.
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Military.
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a campaign, mission, maneuver, or action.
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Usually operations the conduct of a campaign, mission, etc.
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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.
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operations, the people who work at such a headquarters.
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noun
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the act, process, or manner of operating
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the state of being in effect, in action, or operative (esp in the phrases in or into operation )
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a process, method, or series of acts, esp of a practical or mechanical nature
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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
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a military or naval action, such as a campaign, manoeuvre, etc
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( capital and prenominal when part of a name )
Operation Crossbow
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maths
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any procedure, such as addition, multiplication, involution, or differentiation, in which one or more numbers or quantities are operated upon according to specific rules
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a function from a set onto itself
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a commercial or financial transaction
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Medicine A surgical procedure for remedying an injury, ailment, defect, or dysfunction.
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Mathematics A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.
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A logical operation.
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Computer Science An action resulting from a single instruction.
Other Word Forms
- misoperation noun
- preoperation noun
- reoperation noun
- suboperation noun
Etymology
Origin of operation
First recorded in 1350–1400; Middle English operacioun, oparacion, operation, from Latin operātiōn- (stem of operātiō ), equivalent to operāt(us) + -iōn- noun suffix of action or condition; operate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
While at the CDC, O’Neill was often absent, those officials said, and he deputized Beyda to run much of the agency’s day-to-day operations for him, people familiar with the matter said.
He said the operation has hit “hundreds of targets in Iran.”
From Los Angeles Times
While he was still at the station, he said, he relayed his concerns by phone to Battalion Chief Mario Garcia, who was in charge of the operation.
From Los Angeles Times
Since the launch of the US-Israeli operations, Prime Minister Sharif has announced several calls with other regional leaders -- whose countries have been targeted by Iranian retaliatory attacks -- and urged restraint.
From Barron's
The factories are distinct from iPhone assembly operations, concentrated in China, which employ hundreds of thousands of people.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
