operation

n.

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.
10. 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.

noun

1. The way in which a machine or other thing performs or functions: behavior, functioning, performance, reaction, working (often used in plural). See action/inaction, machine.
2. The act of putting into play: application, employment, exercise, exertion, implementation, play, usage, use, utilization. See used/unused.

n

Definition: movement, working
Antonyms: idleness, inaction, inutility, uselessness

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n

1. any surgical procedure. n 2. the action of a drug or other remedy. n 3. an act or series of acts performed on the body of a patient for relief or cure.

n. 1. a 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.

2. Operation preceding a code name for such an activity: Operation Desert Storm. For entries beginning with Operation, please see the second part of the name.

See the Introduction, Abbreviations and Pronunciation for further details.

An operation on a set S is a function associating some number of elements of S with a resulting element. If the resulting element is also always in S, then S is closed under the operation. An n-ary (unary, binary etc.) operation associates n elements of S with the resulting element. A polyadic operation can take sets of different sizes as arguments.

1. any action performed with instruments or by the hands of a surgeon; a surgical procedure.
2. an agricultural, farming undertaking, e.g. cow–calf operation; an enterprise.
3. any effect produced by a therapeutic agent. For specific operations, see the specific name, such as Caslick operation.

• cosmetic o. — one intended to remove or correct a deformity in an esthetically acceptable manner.
• covered o. — one performed without exposing the part to the external air or to the possibility of confined tissues or organs escaping, e.g. covered castration.
• exploratory o. — incision into the body for determination of the cause of otherwise unexplainable symptoms.
• flap o. — any operation involving the raising of a flap of tissue.
• radical o. — one involving extensive resection of tissues for the complete extirpation of disease.

(DOD) 1. A military action or the carrying out of a strategic, operational, tactical, service, training, or administrative military mission. 2. The process of carrying on combat, including movement, supply, attack, defense, and maneuvers needed to gain the objectives of any battle or campaign.

IN BRIEF: n. - A planned activity involving many people performing various actions; A process or series of acts especially of a practical or mechanical nature involved in a particular form of work.

By some strange operation of magic I seem to have become the power of the land. — George McClellan

Quotes:

"A minor operation is one that is done on someone else" - Dr. Richard Selzer

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
n. - operation, indgreb, virksomhed, funktion, gang, proces, betjening, drift

idioms:

• come into operation    træde i funktion, påbegynde driften, træde i kraft

Nederlands (Dutch)
operatie (medisch/ militair), ingreep, bediening, besturing, bewerking, handeling

Français (French)
n. - fonctionnement, (Méd) opération, utilisation, exploitation, mise en vigueur, man¯uvres (de l'armée, de la police), (Comput) opération, activités, affaire, (Fin) opération

idioms:

• come into operation    entrer en vigueur

Deutsch (German)
n. - Operation, Bedienung, Betrieb, Einsatz, Arbeitsweise

idioms:

• come into operation    in Kraft treten

Ελληνική (Greek)
n. - λειτουργία, εργασία, ισχύς, χειρισμός, εγχείρημα, επιχείρηση, (ιατρ.) εγχείρηση, χειρουργική επέμβαση, (μαθημ.) (αριθμητική) πράξη, στρατιωτική επιχείρηση

idioms:

• come into operation    μπαίνω/τίθεμαι σε λειτουργία ή ισχύ

Italiano (Italian)
operazione, intervento, manovra

idioms:

• come into operation    entrare in vigore, diventare operativo

Português (Portuguese)
n. - operação (f)

idioms:

• come into operation    entrar em operação

Русский (Russian)
операция, действие

idioms:

• come into operation    войти в строй

Español (Spanish)
n. - operación, funcionamiento, actividad, intervención quirúrgica, manejo, aplicación

idioms:

• come into operation    entrar en vigor, empezar a funcionar

Svenska (Swedish)
n. - verksamhet, verkan, funktion, operation, ingrepp

中文（简体）(Chinese (Simplified))
操作, 经营, 运转, 营运, 手术

idioms:

• come into operation    开始运转, 实行, 施行, 生效

中文（繁體）(Chinese (Traditional))
n. - 操作, 經營, 運轉, 營運, 手術

idioms:

• come into operation    開始運轉, 實行, 施行, 生效

한국어 (Korean)
n. - 작용, 운전, 실시, 사업

idioms:

• come into operation    움직이기 시작하다, 실시되다

日本語 (Japanese)
n. - 運転, 操作, 工作, 施行, はたらき, 作用, 効力, 売買, 計画, 事業, 作戦, 運算, 運営, 演算

idioms:

• come into operation    運転を始める, 実施される

العربيه (Arabic)
‏(الاسم) عمليه, عمليه جراحيه‏

עברית (Hebrew)
n. - ‮ניתוח, מבצע (צבאי), תפעול, פעולה‬

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quiet operation	partnership operation
operation flashpoint	Power Wheel Mouse Operation