operation

S2 W1

BrE /əʊpəˈreɪʃn/ AmE /ɑːpəˈreɪʃn/

noun en → es

1 SURGERY [singular] B1

a medical procedure to treat an illness or injury, especially one done using a knife on the body

cirugía, operación

  • have/undergo an operation

Collocations heart/lung/knee operation · emergency operation

  • She had a heart operation last week.

    Ella tuvo una operación cardíaca la semana pasada.

2 BUSINESS [singular] B1

the activity of running or managing a business, organization, etc.

funcionamiento, gestión, operación

  • business/financial/military operation

Collocations day-to-day operations · operations manager

  • The company's day-to-day operations were disrupted.

    Las operaciones diarias de la empresa se vieron interrumpidas.

3 COMPUTER [singular] B2

the process of using a computer or other machine to do work, play games, etc.

funcionamiento, operación

  • computer operation

Collocations system operations · network operations

  • The system operation was slow.

    El funcionamiento del sistema era lento.

4 MILITARY [singular] C1

a military action or plan, especially one that involves a large number of soldiers or weapons

operación militar

  • military operation

Collocations offensive/defensive military operation · joint military operation

  • The army launched a major offensive military operation.

    El ejército lanzó una importante operación militar ofensiva.

5 ENGINEERING [singular] C1

the process of making something work or the way that it works

funcionamiento, operación

  • machine operation

Collocations mechanical/electrical operation · industrial operation

  • The machine's operation was complicated.

    El funcionamiento de la máquina era complicado.

6 ECONOMICS [singular] C1

the process of buying and selling goods or services, especially on a large scale

funcionamiento económico, operación comercial

  • business/economic operation

Collocations market operations · financial operations

  • The company's financial operations were under scrutiny.

    Las operaciones financieras de la empresa estaban bajo escrutinio.

7 MATHEMATICS [singular] C1

a process in mathematics, such as addition or multiplication

operación matemática

  • mathematical operation

Collocations arithmetic operations · logical operations

  • The mathematical operation was complex.

    La operación matemática era compleja.

8 CHEMISTRY [singular] C1

a process in chemistry, such as mixing substances or heating them

operación química

  • chemical operation

Collocations chemical reactions · laboratory operations

  • The chemical operation was successful.

    La operación química fue exitosa.