operation
gb/ˌɑpɚˈeɪʃən/ us/ˌɑpɚˈeɪʃən/
A2
Engleză
~ 700
Sensuri
0 sensuri
Substantiv
B1
action
1
Planned activity to achieve something
A planned set of actions done to reach a goal.
Tipar de utilizare:
to carry out [an operation]
Greșeală frecventă:
Learners sometimes confuse 'operation' with 'opportunity'. 'Operation' means an organized activity, not a chance to do something.
Sinonime
mission (Often used for military or space contexts, slightly more formal.)
|
undertaking (Emphasizes a project or task, often large or challenging.)
Antonime
inaction (The absence of any activity toward a goal.)
Colocații
military operation
|rescue operation
|covert operation
|joint operation
|police operation
Teme
business
|military
|daily life
|work
Exemple
- The rescue operation saved dozens of people trapped in the building.
- The police launched a major operation to catch the drug traffickers.
- The charity’s latest operation aims to provide clean water to remote villages.
Exemple pentru cursanți
- The rescue operation helped many people.
- The police started an operation to find the missing child.
- The company began an operation to open a new store.
Substantiv
A2
action
2
Medical surgery or procedure
A medical treatment where doctors cut into the body to fix a problem.
Tipar de utilizare:
to have [an operation]
Greșeală frecventă:
Learners sometimes confuse 'operation' with 'treatment'. An 'operation' is specifically surgical.
Sinonime
surgery (More common in medical contexts; refers specifically to the procedure.)
Antonime
noninvasive treatment (A treatment that does not require cutting into the body.)
Colocații
have an operation
|undergo an operation
|life-saving operation
|minor operation
|surgical operation
Teme
health
|medicine
|body
Exemple
- She had an operation on her knee last year.
- The patient needs an urgent heart operation.
- After the operation, he stayed in the hospital for two weeks.
Exemple pentru cursanți
- I had an operation on my leg.
- The doctor will do the operation tomorrow.
- He is better after the operation.
Substantiv
technical
B1
state
3
State of working or being active
When a machine or system is working and doing its job.
Tipar de utilizare:
[something] is in operation
Sinonime
functioning (Refers broadly to something working as intended.)
Antonime
shutdown (When something stops working or is turned off.)
Colocații
in operation
|out of operation
|put into operation
|cease operation
Teme
technology
|engineering
|science
Exemple
- The new subway line will be in operation next year.
- This machine has been in continuous operation for 24 hours.
- Due to maintenance, the elevator is out of operation.
Exemple pentru cursanți
- The bus service is in operation today.
- The machine is out of operation now.
- The factory is in full operation.
Substantiv
technical
B2
action
4
Mathematical or logical process
A way of working with numbers or data, like adding or multiplying.
Sinonime
calculation (Emphasizes the result of applying mathematical operations.)
Antonime
data storage (Keeping data without changing it.)
Colocații
mathematical operation
|logical operation
|basic operations
Teme
mathematics
|computing
|science
|technology
|education
Exemple
- Addition and subtraction are basic mathematical operations.
- The program performs several operations on the input data.
- Division is the opposite of the multiplication operation.
Exemple pentru cursanți
- Addition is a math operation.
- We use this operation to get the answer.
- Multiplication is an important math operation.
Gramatică
Forma de dicționar
operation
IPA
GB/ˌɑpɚˈeɪʃən/
US/ˌɑpɚˈeɪʃən/
Silabe și accent
op - er - a - tion (4 silabe)
Stress on 2nd syllable (er)
Forme ale cuvântului
Noun
- Base: operation
- Plural: operation, operations
Familie de cuvinte
Forms
operations
noun
Related words
operational
adjective B1
operationally
adverb
Negative and opposite forms
inoperative
adjective
inoperable
adjective
Advanced or less common
operative
adjective B2
Expresii
in operation
1/ˈɪn ˌɑpɚˈeɪʃən/
fixed phrase
Currently working or active
Working and being used right now.
Exemple
- The new airport terminal is now in operation.
- The old factory has not been in operation for years.
out of operation
1/ˈaʊt əv ˌɑpɚˈeɪʃən/
fixed phrase
Not working or active at present
Not working or being used right now.
Exemple
- The elevator is out of operation due to repairs.
- The website will be out of operation for maintenance tonight.
covert operation
1/kˈoʊvɚt ˌɑpɚˈeɪʃən/
fixed phrase
secret planned military or spy action
A planned military, spy, or political action that is done in secret so that people do not know who is behind it.
Exemple
- They carried out a covert operation to gather intelligence.
- They authorized a covert operation to gather intelligence inside the country.
- The covert operation was revealed by journalists.
- The book reveals several covert operations carried out during the war.
- Congress demanded to know who had approved the covert operation.
military operation
1/mˈɪlɪtˌɛɹi ˌɑpɚˈeɪʃən/
fixed phrase
Planned action by soldiers
An organized action by the army, navy, or air force to reach a goal.
Exemple
- The military operation lasted three weeks.
- The military operation lasted three days.
- They planned a joint military operation with allied forces.
- Several countries joined the military operation.