0 the fact of operating or being active:
There are several reactors of the type in operation (= working) at the moment.
We expect the new system for assessing claims to come into operation (= start working) early next year.
Less profitable business operations will have difficulty in finding financial support.
a military/peacekeeping operation.
Following the earthquake, a large-scale rescue operation was launched.
[ + to infinitive ] The operation to fly in supplies will begin as soon as possible.
1 an occasion when a doctor cuts a body for medical reasons in order to repair, remove, or replace an unhealthy or damaged part:
an abdominal/cataract/transplant operation
He has to have an operation on his shoulder.
[ + to infinitive ] We will know in a couple of days if the operation to restore her sight was successful.
2 a mathematical process, such as addition, in which one set of numbers is produced from another
3 a mathematical process, such as addition, in which one set of numbers is produced from another
4 a medical process in which doctors cut a body open in order to repair, remove, or replace an unhealthy or damaged part:
She underwent a six-hour open-heart operation.
5 an act or process of working, doing something, being in action, or having an effect:
6 the fact of operating or being active:
come into/begin operation We expect the new procedure to come into operation early next year.
be out of/cease operation The company was facing a court order to cease operation.
The construction work will not affect the day-to-day operation of the company.
in operation There are several reactors of this type in operation at the moment.
We hope to be in commercial operation within three months.
7 a business organization:
Less profitable business operations will have difficulty finding financial support.
a banking/retail/manufacturing operation
We can capture carbon emissions at power plants, oil refineries, and cement-making operations.
The group's profits fell, despite a good performance from its overseas operations.
8 the activities involved in a company producing goods or delivering services:
head/director of operations He is director of operations for a recruitment agency.
The operations department is responsible for ensuring a company operates as efficiently and economically as possible.
10 the way that parts of a machine work together, or the process of making parts of a machine or system work together:
The rescue operation has been complicated by bad weather.
We need to look at the logistics of the whole aid operation.
They're winding down their operations abroad because they're losing money.
The hospital has a two-year waiting list for minor operations.
The child's parents or guardians must give their consent before she has the operation.
中文繁体
工作, 運作,實施,工作, (機器或系統的)運作,運行…
More中文简体
工作, 运作,实施,工作, (机器或系统的)运作,运行,运转…
MoreEspañol
operación, operación [feminine, singular]…
MorePortuguês
operação, cirurgia…
More日本語
手術, 事業…
MoreTürk dili
ameliyat, şirket, işletme…
MoreFrançais
opération, opération [feminine], fonctionnement [masculine]…
MoreCatalan
operació…
More