operation

US: /ˌɑpɝˈeɪʃən/
UK: /ˌɒpəɹˈe‍ɪʃən/


English Vietnamese dictionary


operation /,ɔpə'reiʃn/
  • danh từ
    • sự hoạt động; quá trình hoạt động
      • to come into operation: bắt đầu hoạt động; đi vào sản xuất (nhà máy)
      • the operation of thingking: quá trình tư duy
    • thao tác
    • hiệu quả, tác dụng
      • in operation: đang hoạt động, đang có tác dụng
      • we must extend its operation: chúng ta phải phát huy tác dụng của điều đó
    • sự giao dịch tài chính
    • (y học) sự mổ xẻ; ca mổ
    • (quân sự) cuộc hành quân
    • (toán học) phép tính, phép toán

Advanced English dictionary


+ noun
medical
1 (also BrE informal op) [C] ~ (on sb) (for sth)
~ (to do sth) the process of cutting open a part of a person's body in order to remove or repair a damaged part: an operation on her lung to remove a tumour + Will I need to have an operation? + He underwent a three-hour heart operation. + Doctors performed an emergency operation for appendicitis last night.
organized activity
2 [C] an organized activity that involves several people doing different things: a rescue / security operation + The police have launched a major operation against drug suppliers. + the UN peacekeeping operations
business
3 [C] a business or company involving many parts: a huge multinational operation
4 [C] the activity or work done in an area of business or industry: the firm's banking operations overseas
computer
5 [C, U] an act performed by a machine, especially a computer: The whole operation is performed in less than three seconds.
machine / system
6 [U] the way that parts of a machine or a system work; the process of making sth work: Regular servicing guarantees the smooth operation of the engine. + Operation of the device is extremely simple.
military activity
7 [C, usually pl.] military activity: He was the officer in charge of operations.
Idioms: in operation working, being used or having an effect: The system needs to be in operation for six months before it can be assessed. + Temporary traffic controls are in operation on New Road.
come into operation to start working; to start having an effect: The new rules come into operation from next week.
put sth into operation to make sth start working; to start using sth: It's time to put our plan into operation.

Thesaurus dictionary


n.
1 function, functioning, working, running, performance, action, motion, movement:
The operation of the internal combustion engine is very simple.
2 manipulation, handling, direction, running, control, management, managing; manoeuvring:
The operation of the aircraft is under the control of the captain.
3 undertaking, enterprise, venture, project, affair, deal, procedure, proceeding, (day-to-day) business, transaction:
Who will be in charge of the operation while the president is abroad?
4 Often, operations. action, manoeuvre, mission, task, campaign, exercise:
The generals directed military operations from positions close to enemy lines
5 in or into operation. functioning, operative, in effect, in force, operating, operational, functional, effective, efficacious:
Is the factory in operation yet? The new regulations went into operation last week.

Collocation dictionary


1 medical

ADJ.

major | minor, small | life-saving, vital | emergency | routine | delicate
a delicate eye operation
| exploratory | surgical, transplant | heart, knee, etc.

VERB + OPERATION

have, undergo
He had an operation to remove a tumour.
| come through, survive
She came through the operation very well.
| carry out, perform
the surgeon performing the operation

PREP.

during a/the ~
She woke during the operation.
| ~ for
an operation for a kidney problem
| ~ on
a major operation on his heart

2 organized activity

ADJ.

big, large-scale, major, massive | covert, undercover | combined, joint | tricky
a tricky rescue operation
| intelligence, military, naval, police | guerrilla | clean-up, drilling, mining, mopping-up, offensive, peacekeeping, relief, rescue, salvage, security
UN troops supervised the relief operations.
| banking, building, business
restrictions placed on business operations

VERB + OPERATION

begin, launch, mount, undertake
The authorities launched a massive security operation in the city.
| carry out, conduct | supervise

PREP.

during a/the ~
during joint military operations

PHRASES

a theatre of operations
(= where military operations take place)

3 fact of sth functioning

ADJ.

effective, efficient, smooth | day-to-day
the smooth day-to-day operation of the department

VERB + OPERATION

come into
A ceasefire came into operation in May.
| bring/put sth into | cease
The factory will cease operation at the end of the year.

PREP.

during ~
The machine can get very hot during operation.
| in ~
The current tax system has been in operation for ten years.

PHRASES

in/into full operation
the only reactor in full operation


Concise English dictionary


operations‚ɑpə'reɪʃn /‚ɒp-
noun
+a business especially one run on a large scale
+a planned activity involving many people performing various actions
+a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
+the state of being in effect or being operative
+a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
+activity by a military or naval force (as a maneuver or campaign)
+(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
+process or manner of functioning or operating
+(mathematics) calculation by mathematical methods
+(psychology) the performance of some composite cognitive activity; an operation that affects mental contents
+the activity of operating something (a machine or business etc.)