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
brain surgery any surgical procedure involving the brain
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"
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"
wrong-site surgery a surgical operation performed on the wrong part of the body
evisceration altering something (as a legislative act or a statement) in such a manner as to reduce its value; "the adoption of their amendments would have amounted to an evisceration of the act"
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)
heart surgery any surgical procedure involving the heart
phlebectomy surgical removal or all or part of a vein; sometimes done in cases of severe varicose veins
photocoagulation surgical procedure that uses an intense laser beam to destroy diseased retinal tissue or to make a scar that will hold the retina in cases of detached retina
resection surgical removal of part of a structure or organ
rhinotomy surgical procedure in which an incision is made in the nose to drain accumulated pus
rhizotomy surgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms
sex-change operation,
transsexual surgery surgical procedures and hormonal treatments designed to alter a person's sexual characteristics so that the resemble those of the opposite sex
purse-string operation,
shirodkar's operation a surgical procedure in which a suture is used to close the cervix in a pregnant woman; is performed when the cervix has failed to retain previous pregnancies
sterilisation,
sterilization the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)
strabotomy the surgical operation of cutting a muscle or tendon of the eye in order to correct strabismus
taxis the surgical procedure of manually restoring a displaced body part
tracheostomy,
tracheotomy a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes
organ transplant,
transplantation,
transplant the act of removing something from one location and introducing it in another location; "the transplant did not flower until the second year"; "too frequent transplanting is not good for families"; "she returned to Alabama because she could not bear transplantation"
trephination an operation that removes a circular section of bone from the skull
tympanoplasty surgical correction or repair of defects or injuries in the eardrum or the bones of the middle ear
uranoplasty surgical correction of a defect of the palate
vasovasostomy a surgical procedure that attempts to restore the function of the vas deferens after a vasectomy
vivisection the act of operating on living animals (especially in scientific research)
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"
data processing (computer science) a series of operations on data by a computer in order to retrieve or transform or classify information
computer science,
computing the branch of engineering science that studies (with the aid of computers) computable processes and structures
memory access,
access the act of approaching or entering; "he gained access to the building"
asynchronous operation operations that occur without a regular or predictable time relation to other events
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"
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
reenforcement,
reinforcement,
support information that makes more forcible or convincing; "his gestures provided eloquent reinforcement for his complaints"
onrush,
onset,
onslaught,
attack a forceful forward rush or flow; "from the bow she stared at the mesmerising onrush of the sea where it split and foamed"; "the explosion interrupted the wild onrush of her thoughts"
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
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 -
the state of being in effect or being operative; "that rule is no longer in operation"
activeness,
activity,
action the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"
commission the act of granting authority to undertake certain functions
running the act of administering or being in charge of something; "he has responsibility for the running of two companies at the same time"
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"
rescue operation an operation organized to free from danger or confinement
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"
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"
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"
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"
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"
operation -
(psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering"
