AskDefine | Define operation

Dictionary Definition



1 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"
2 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"
3 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" [syn: procedure]
4 the state of being in effect or being operative; "that rule is no longer in operation"
5 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"; "he died while undergoing surgery" [syn: surgery, surgical operation, surgical procedure, surgical process]
6 activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force" [syn: military operation]
7 (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"
8 process or manner of functioning or operating; "the power of its engine determine its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards" [syn: functioning, performance]
9 (mathematics) calculation by mathematical methods; "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"; "they were learning the basic operations of arithmetic" [syn: mathematical process, mathematical operation]
10 (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering" [syn: process, cognitive process, mental process, cognitive operation]
11 the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"

User Contributed Dictionary



from Latin operari, to work , from opus, operis, work


  • (UK) /ˌɒpəˈɹeɪʃən/, /%Qp@"reIS@n/
  • (US) /ˌɑːpəˈɹeɪʃən/, /%A:p@"reIS@n/
  • Rhymes: -eɪʃǝn


  1. the method by which a device performs its function. (It is dangerous to look at the beam of a laser while it is in operation.)
  2. the method or practice by which actions are done. (We run our operation from a storefront.)
  3. a surgical procedure. (She had an operation to remove her appendix.)
  4. a procedure for generating a value from one or more other values (the operands; the value for any particular operands is unique)
  5. a military campaign (Operation Desert Storm)


method by which a device performs its function
  • Arabic:
  • Bulgarian: действие
  • Chinese: 运营 (yùnyíng)
  • Dutch: operatie
  • Finnish: toiminta
  • French: opération
  • German: Betrieb
  • Greek: λειτουργία (leitourgía)
  • Hungarian: működés
  • Italian: operazione
  • Japanese: 作業 (さぎょう, sagyō), 操作 (そうさ, sōsa)
  • Korean: 작용 (jakyong)
  • Portuguese: operação
  • Russian: операция (operátsija)
  • Spanish: operación
  • Swedish: operation
  • Welsh: gweithrediad
method or practice by which actions are done
surgical procedure
procedure for generating a value from one or more other values
military campaign
  • Czech: operace
  • Finnish: operaatio
  • German: Operation
  • Greek: επιχείρηση (epicheírisi)
  • Hebrew: מבצע
  • Japanese: 作戦 (さくせん, sakusen)
  • Korean: 작전 (jakjeon)
  • Russian: действие
  • Welsh: ymgyrch

Extensive Definition

Operation may refer to:
operation in Catalan: Operació
operation in Danish: Operation
operation in German: Operation
operation in Spanish: Operación
operation in Esperanto: Operacio
operation in French: Opération
operation in Galician: Operación
operation in Italian: Operazione
operation in Lithuanian: Operacija
operation in Japanese: オペレーション
operation in Dutch: Operatie
operation in Polish: Operacja
operation in Russian: Операция
operation in Simple English: Operation (disambiguation)
operation in Slovak: Operácia
operation in Slovenian: Operacija
operation in Finnish: Operaatio
operation in Swedish: Operation
operation in Urdu: عالجہ
operation in Chinese: 运算

Synonyms, Antonyms and Related Words

accomplished fact, accomplishment, achievement, act, acta, acting, action, activism, activity, adventure, affair, amphibious operations, amputation, anastomotic operation, appliance, application, attempt, behavior, bloodless operation, blow, bringing to fruition, business, business deal, campaign, capital operation, combined operations, commercial transaction, commitment, compensating operation, contract, control, corneal transplant, coup, crescent operation, deal, dealings, deed, direction, doing, doings, dry run, duty, effective, effectuation, efficacious, effort, elective operation, emergency operation, employment, end use, endeavor, engagement, enterprise, excision, execution, exercise, exercising, exertion, exploit, exploitation, exploratory operation, fait accompli, feat, fenestration operation, fluid operations, function, functional, functioning, gest, go, hand, handiwork, handling, heart transplant, immediate purpose, in effect, in force, interval operation, job, kidney transplant, logistics, major operation, management, managing, maneuver, maneuvers, manipulation, measure, military operations, minor operation, minor operations, mission, motion, move, movement, movements, negotiation, obligation, occupation, office, operating, operational, operational purpose, operations, operative, organ transplant, organ transplantation, overproduction, overseas operations, overt act, package deal, palliative operation, passage, performance, plan, play, practice, praxis, procedure, proceeding, production, productiveness, program, project, proposition, purpose, radical operation, realization, removal, res gestae, resection, role, running, section, staff work, step, stroke, stunt, surgical intervention, surgical operation, surgical technique, swing, task, the knife, thing, thing done, tour de force, transaction, transplant, turn, ultimate purpose, undertaking, use, using, utilization, venture, war game, war plans, work, working, workings, works
Privacy Policy, About Us, Terms and Conditions, Contact Us
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2
Material from Wikipedia, Wiktionary, Dict
Valid HTML 4.01 Strict, Valid CSS Level 2.1