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op·er·a·tion ( p  -r  shn)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. a. A military or naval action, campaign, or mission. b. 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. |
operation Noun 1. the act or method of operating 2. the condition of being in action: there are twenty teleworking centres in operation around the country 3. an action or series of actions done to produce a particular result: a large-scale police operation has been in place to manage the heavy traffic 4. Surgery a surgical procedure carried out to remove, replace, or repair a diseased or damaged part of the body 5. a military or naval manoeuvre 6. Maths any procedure, such as addition, in which a number is derived from another number or numbers by applying specific rules
operation (p-rshn)1. Medicine A surgical procedure for remedying an injury, ailment, defect, or dysfunction. 2. Mathematics A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules. 3. A logical operation. 4. Computer Science An action resulting from a single instruction. |
ThesaurusLegend: Synonyms Related Words Antonyms | Noun | 1. | operation - the state of being in effect or being operative; "that rule is no longer in operation"commission - the state of being in good working order and ready for operation; "put the ships into commission"; "the motor was out of commission" running - the state of being in operation; "the engine is running smoothly" idle - the state of an engine or other mechanism that is idling; "the car engine was running at idle" | | 2. | operation - 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" | | 3. | operation - 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"activity - any specific behavior; "they avoided all recreational activity" | | 4. | operation - (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"memory access, access - (computer science) the operation of reading or writing stored information computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures concurrent operation - two or more operations performed at the same time (or within a give interval) control function, control operation - an operation that controls the recording or processing or transmission of interpretation of data; "a control operation started the data processing" data processing - (computer science) a series of operations on data by a computer in order to retrieve or transform or classify information fixed-cycle operation - an operation that is completed in a specified number of regularly timed execution cycles lookup, search - an operation that determines whether one or more of a set of items has a specified property; "they wrote a program to do a table lookup" sorting, sort - an operation that segregates items into groups according to a specified criterion; "the bottleneck in mail delivery is the process of sorting" threshold operation - an operation performed on operands in order to obtain the value of a threshold function | | 5. |  operation - activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"activity - any specific behavior; "they avoided all recreational activity" combined operation - a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces military campaign, campaign - several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints) naval campaign - an operation conducted primarily by naval forces in order to gain or extend or maintain control of the sea military mission, mission - an operation that is assigned by a higher headquarters; "the planes were on a bombing mission" reinforcement, reenforcement, support - a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission; "they called for artillery support" psychological operation, psyop - military actions designed to influence the perceptions and attitudes of individuals, groups, and foreign governments covert operation - an intelligence operation so planned as to permit plausible denial by the sponsor | | 6. |  operation - 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"amputation - a surgical removal of all or part of a limb angioplasty - an operation to repair a damaged blood vessel or unblock a coronary artery arthroplasty - surgical reconstruction or replacement of a malformed or degenerated joint arthroscopy - a minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision castration - surgical removal of the testes or ovaries (usually to inhibit hormone secretion in cases of breast cancer in women or prostate cancer in men); "bilateral castration results in sterilization" chemosurgery - use of chemical to destroy diseased or malignant tissue; used in treatment of skin cancer cryosurgery - the use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers) curettage, curettement - surgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette debridement - surgical removal of foreign material and dead tissue from a wound in order to prevent infection and promote healing decortication - removal of the outer covering of an organ or part D and C, dilatation and curettage, dilation and curettage - a surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curet; performed to obtain tissue samples or to stop prolonged bleeding or to remove small tumors or to remove fragments of placenta after childbirth or as a method of abortion electrosurgery - surgery performed with electrical devices (as in electrocautery) enterostomy, enterotomy - surgical operation that creates a permanent opening through the abdominal wall into the intestine enucleation - surgical removal of something without cutting into it; "the enucleation of the tumor" evisceration - surgical removal of an organ (or the contents of an organ) from a patient exenteration - surgical removal of the organs within a body cavity (as those of the pelvis) fenestration - surgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis gastrectomy - surgical removal of all or part of the stomach gastroenterostomy - surgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated gastrostomy - surgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage) hysterotomy - surgical incision into the uterus (as in cesarean section) implantation - a surgical procedure that places something in the human body; "the implantation of radioactive pellets in the prostate gland" intestinal bypass - surgical operation that shortens the small intestine; used in treating obesity jejunostomy - surgical creation of an opening between the jejunum and the anterior abdominal wall; will allow artificial feeding major surgery - any surgical procedure that involves anesthesia or respiratory assistance microsurgery - surgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures | | 7. | operation - 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"work - activity directed toward making or doing something; "she checked several points needing further work" | | 8. | operation - process or manner of functioning or operating; "the power of its engine determines 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"physical process, process - a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls" | | 9. |  operation - (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering" | | 10. | operation - (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"permutation - the act of changing the arrangement of a given number of elements combination - the act of arranging elements into specified groups without regard to order differentiation - the mathematical process of obtaining the derivative of a function maximization - the mathematical process of finding the maximum value of a function integration - an operation used in the calculus whereby the integral of a function is determined construction - drawing a figure satisfying certain conditions as part of solving a problem or proving a theorem; "the assignment was to make a construction that could be used in proving the Pythagorean theorem" relaxation method, relaxation - a method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement | | 11. | operation - the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"activity - any specific behavior; "they avoided all recreational activity" |
operation noun 4. surgery, surgical operation, surgical intervention noun 6. effect, force, activity, agency, influence, impact, effectiveness, instrumentality >> in operation in action, current, effective, going, functioning, active, in effect, in business, operative, in force
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.
 Translationsoperation [ɔpəˈreɪʃən] n ( gen) → operación f [ of machine] → funcionamiento; to have an operation ( MED) → ser operado; to have an operation for → operarse de; operation [ɔpəˈreɪʃən] operate n ( activity) → Unternehmung f [ of machine etc] → Betrieb m; to be in operation operate [ law, scheme] → in Kraft sein; to have an operation operate ( Med) → operiert werden;
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cosmetic operation
