Operation

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Operation \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.
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              The pain and sickness caused by manna are the


              effects of its operation on the stomach. --Locke.
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              Speculative painting, without the assistance of
              manual operation, can never attain to perfection.
                                                    --Dryden.
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     2. The method of working; mode of action.
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     3. That which is operated or accomplished; an effect brought
        about in accordance with a definite plan; as, military or
        naval operations.
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     4. Effect produced; influence. [Obs.]
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              The bards . . . had great operation on the vulgar.
                                                    --Fuller.
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     5. (Math.) Something to be done; some transformation to be
        made upon quantities or mathematical objects, the
        transformation being indicated either by rules or symbols.
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     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.
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     {Calculus of operations}. See under {Calculus}.
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From WordNet (r) 2.0 [wn]:

  operation
       n 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"

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  162 Moby Thesaurus words for "operation":
     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