operation
gb/ˌɑpɚˈeɪʃən/ us/ˌɑpɚˈeɪʃən/
A2
Inglés
~ 700
Acepciones
0 acepciones
Sustantivo
B1
action
1
Planned activity to achieve something
A planned set of actions done to reach a goal.
Patrón de uso:
to carry out [an operation]
Error frecuente:
Learners sometimes confuse 'operation' with 'opportunity'. 'Operation' means an organized activity, not a chance to do something.
Sinónimos
mission (Often used for military or space contexts, slightly more formal.)
|
undertaking (Emphasizes a project or task, often large or challenging.)
Antónimos
inaction (The absence of any activity toward a goal.)
Colocaciones
military operation
|rescue operation
|covert operation
|joint operation
|police operation
Temas
business
|military
|daily life
|work
Ejemplos
- 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.
Ejemplos para estudiantes
- 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.
Sustantivo
A2
action
2
Medical surgery or procedure
A medical treatment where doctors cut into the body to fix a problem.
Patrón de uso:
to have [an operation]
Error frecuente:
Learners sometimes confuse 'operation' with 'treatment'. An 'operation' is specifically surgical.
Sinónimos
surgery (More common in medical contexts; refers specifically to the procedure.)
Antónimos
noninvasive treatment (A treatment that does not require cutting into the body.)
Colocaciones
have an operation
|undergo an operation
|life-saving operation
|minor operation
|surgical operation
Temas
health
|medicine
|body
Ejemplos
- 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.
Ejemplos para estudiantes
- I had an operation on my leg.
- The doctor will do the operation tomorrow.
- He is better after the operation.
Sustantivo
technical
B1
state
3
State of working or being active
When a machine or system is working and doing its job.
Patrón de uso:
[something] is in operation
Sinónimos
functioning (Refers broadly to something working as intended.)
Antónimos
shutdown (When something stops working or is turned off.)
Colocaciones
in operation
|out of operation
|put into operation
|cease operation
Temas
technology
|engineering
|science
Ejemplos
- 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.
Ejemplos para estudiantes
- The bus service is in operation today.
- The machine is out of operation now.
- The factory is in full operation.
Sustantivo
technical
B2
action
4
Mathematical or logical process
A way of working with numbers or data, like adding or multiplying.
Sinónimos
calculation (Emphasizes the result of applying mathematical operations.)
Antónimos
data storage (Keeping data without changing it.)
Colocaciones
mathematical operation
|logical operation
|basic operations
Temas
mathematics
|computing
|science
|technology
|education
Ejemplos
- Addition and subtraction are basic mathematical operations.
- The program performs several operations on the input data.
- Division is the opposite of the multiplication operation.
Ejemplos para estudiantes
- Addition is a math operation.
- We use this operation to get the answer.
- Multiplication is an important math operation.
Gramática
Forma de diccionario
operation
AFI
GB/ˌɑpɚˈeɪʃən/
US/ˌɑpɚˈeɪʃən/
Sílabas y acento
op - er - a - tion (4 sílabas)
Stress on 2nd syllable (er)
Formas de la palabra
Noun
- Base: operation
- Plural: operation, operations
Familia de palabras
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
Expresiones
in operation
1/ˈɪn ˌɑpɚˈeɪʃən/
fixed phrase
Currently working or active
Working and being used right now.
Ejemplos
- 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.
Ejemplos
- 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.
Ejemplos
- 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.
Ejemplos
- 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.