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Meaning of OPERATION

Pronunciation:  `âpu'reyshun

WordNet Dictionary
  1. [n]  the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
  2. [n]  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. [n]  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"
  4. [n]  
  5. [n]  (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"
  6. [n]  activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"
  7. [n]  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"
  8. [n]  the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering"
  9. [n]  (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"
  10. [n]  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"
  11. [n]  the state of being in effect or being operative; "that rule is no longer in operation"

OPERATION is a 9 letter word that starts with O.


 Synonyms: cognitive operation, cognitive process, functioning, mathematical operation, mathematical process, mental process, military operation, performance, procedure, process, surgery, surgical operation, surgical procedure, surgical process
 See Also: ablation, access, action, activeness, activity, activity, amphibious operation, amputation, angioplasty, Argonne, Argonne Forest, arithmetic operation, arthroplasty, arthroscopy, asynchronous operation, attack, autoplasty, auxiliary operation, basic cognitive process, binary arithmetic operation, binary operation, boolean operation, brain surgery, business activity, calculation, campaign, castration, cauterisation, cauterization, cautery, chemosurgery, cognition, combination, commercial activity, commission, computation, computer operation, computing, concurrent operation, consecutive operation, construction, control function, control operation, covert operation, craniotomy, cryosurgery, curettage, curettement, cutting out, D and C, data processing, debridement, decortication, differentiation, dilatation and curettage, dilation and curettage, dyadic operation, electrosurgery, enterostomy, enterotomy, enucleation, evisceration, excision, exenteration, exponentiation, extirpation, fenestration, fixed-cycle operation, gastrectomy, gastroenterostomy, gastrostomy, haemorrhoidectomy, haemostasia, haemostasis, heart surgery, hemorrhoidectomy, hemostasia, hemostasis, higher cognitive process, hysterotomy, implantation, incision, information gathering, integration, intestinal bypass, involution, iridectomy, iridotomy, jejunostomy, knowledge, logic operation, logical operation, lookup, machine operation, major surgery, maneuver, manoeuvre, matrix operation, maximization, medical procedure, memory access, Meuse, Meuse River, Meuse-Argonne, Meuse-Argonne operation, microsurgery, military campaign, military mission, minor surgery, mission, monadic operation, multiplex operation, myotomy, myringectomy, myringoplasty, myringotomy, naval campaign, neurosurgery, noesis, nose job, offence, offense, offensive, off-line operation, onrush, onset, onslaught, Operation Desert Storm, orchiopexy, osteotomy, ostomy, parallel operation, peacekeeping, peacekeeping operation, permutation, phalloplasty, phlebectomy, photocoagulation, printing operation, process, reenforcement, reinforcement, relaxation, relaxation method, rescue operation, rhinoplasty, running, search, section, sequential operation, serial operation, simulated military operation, simultaneous operation, sort, sorting, support, surgical incision, synchronous operation, threshold operation, unary operation, work



Webster's 1913 Dictionary
\Op`er*a"tion\, n. [L. operatio: cf. F. op['e]ration.]
1. The act or process of operating; agency; the exertion of
   power, physical, mechanical, or moral.

         The pain and sickness caused by manna are the
         effects of its operation on the stomach. --Locke.

         Speculative painting, without the assistance of
         manual operation, can never attain to perfection.

2. The method of working; mode of action.

3. That which is operated or accomplished; an effect brought
   about in accordance with a definite plan; as, military or
   naval operations.

4. Effect produced; influence. [Obs.]

         The bards . . . had great operation on the vulgar.

5. (Math.) Something to be done; some transformation to be
   made upon quantities, the transformation being indicated
   either by rules or symbols.

6. (Surg.) Any methodical action of the hand, or of the hand
   with instruments, on the human body, to produce a curative
   or remedial effect, as in amputation, etc.

{Calculus of operations}. See under {Calculus}.

Dream Dictionary
 Definition: Dreaming that you are in operation, suggests that you need to get something out of your system. Perhaps you need to let go of something or change your habits. You need to cut something out of your life. Dreaming that you are operating on someone indicates that you are facing and dealing with some deep issues or repressed thoughts.
Thesaurus Terms
 Related Terms: 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