operation
1. the state of being in effect or being operative (Freq. 12)
- that rule is no longer in operation
• Derivationally related forms:
operate
• Hypernyms:
action, activity, activeness
• Hyponyms:
commission, running, idle
2. a business especially one run on a large scale (Freq. 11)
- a large-scale farming operation
- a multinational operation
- they paid taxes on every stage of the operation
- they had to consolidate their operations
• Derivationally related forms:
operate
• Hypernyms:
business activity, commercial activity
3. a planned activity involving many people performing various actions (Freq. 8)
- they organized a rescue operation
- the biggest police operation in French history
- running a restaurant is quite an operation
- consolidate the companies various operations
• Hypernyms:
activity
• Hyponyms:
rescue operation, undercover operation
4. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) (Freq. 4)
- it can perform millions of operations per second
• Topics:
computer science, computing
• Hypernyms:
data processing
• Hyponyms:
access, memory access, asynchronous operation, auxiliary operation, off-line operation,
boolean operation, binary operation, binary arithmetic operation, computer operation, machine operation, concurrent operation,
control operation, control function, dyadic operation, fixed-cycle operation, logic operation, logical operation,
monadic operation, unary operation, multiplex operation, parallel operation, simultaneous operation, printing operation,
search, lookup, serial operation, sequential operation, consecutive operation, sort,
sorting, synchronous operation, threshold operation
5. activity by a military or naval force (as a maneuver or campaign) (Freq. 4)
- it was a joint operation of the navy and air force
• Syn:
military operation
• Derivationally related forms:
operate
• Topics:
military, armed forces, armed services, military machine, war machine
• Hypernyms:
activity
• Hyponyms:
combined operation, maneuver, manoeuvre, simulated military operation, campaign,
military campaign, naval campaign, mission, military mission, support, reinforcement,
reenforcement, attack, onslaught, onset, onrush, offense,
offence, offensive, peacekeeping, peacekeeping mission, peacekeeping operation, amphibious operation,
information gathering, psychological operation, psyop, covert operation
• Instance Hyponyms:
Meuse, Meuse River, Argonne, Argonne Forest, Meuse-Argonne,
Meuse-Argonne operation, Operation Desert Storm
6. a medical procedure involving an incision with instruments;
performed to repair damage or arrest disease in a living body (Freq. 2)
- 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
• Derivationally related forms:
surgical (for: surgery), operate, operative
• Topics:
surgery
• Members of this Topic:
freeze, suction, decorticate, ablate, hypophysectomize,
hypophysectomise, trepan
• Hypernyms:
medical procedure
• Hyponyms:
catheterization, catheterisation, ablation, extirpation, cutting out,
excision, amputation, angioplasty, arthroplasty, arthroscopy, brain surgery,
castration, cautery, cauterization, cauterisation, chemosurgery, craniotomy,
cryosurgery, curettage, curettement, debridement, decortication, dilation and curettage,
dilatation and curettage, D and C, electrosurgery, enterostomy, enterotomy, enucleation,
wrong-site surgery, evisceration, exenteration, eye operation, eye surgery, fenestration,
gastrectomy, gastroenterostomy, gastrostomy, heart surgery, hemorrhoidectomy, haemorrhoidectomy,
hysterotomy, implantation, intestinal bypass, jejunostomy, major surgery, microsurgery,
minor surgery, myotomy, myringectomy, myringoplasty, myringotomy, neurosurgery,
orchiopexy, osteotomy, ostomy, palatopharyngoplasty, PPP, uvulopalatopharyngoplasty,
UPPP, phlebectomy, photocoagulation, plastic surgery, reconstructive surgery, anaplasty,
polypectomy, resection, rhinotomy, rhizotomy, sex-change operation, transsexual surgery,
Shirodkar's operation, purse-string operation, sterilization, sterilisation, strabotomy, taxis,
tracheostomy, tracheotomy, transplant, transplantation, organ transplant, trephination,
tympanoplasty, uranoplasty, vasovasostomy, vivisection
• Part Meronyms:
hemostasis, haemostasis, hemostasia, haemostasia, incision,
section, surgical incision, suturing
7. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work (Freq. 2)
- the operations in building a house
- certain machine tool operations
• Syn:
procedure
• Derivationally related forms:
procedural (for: procedure), operate
• Hypernyms:
work
8. (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
• Derivationally related forms:
operate
• Topics:
psychology, psychological science
• Hypernyms:
cognition, knowledge, noesis
• Hyponyms:
basic cognitive process, higher cognitive process
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
• Topics:
mathematics, math, maths
• Hypernyms:
calculation, computation, computing
• Hyponyms:
permutation, combination, differentiation, maximization, integration,
integration, involution, arithmetic operation, matrix operation, construction,
relaxation, relaxation method
10. 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
• Syn:
functioning, performance
• Derivationally related forms:
function (for: functioning), operate
• Hypernyms:
process, physical process
11. the activity of operating something (a machine or business etc.)
- her smooth operation of the vehicle gave us a surprisingly comfortable ride
• Derivationally related forms:
operate
• Topics:
commercial enterprise, business enterprise, business
• Hypernyms:
activity
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