operation
operationnoun
UK/ˌɒp.ərˈeɪ.ʃən/US/ˌɑː.pəˈreɪ.ʃən/
Dạng từ: operations
MEDICAL
B1when a doctor cuts into someone's body to repair or remove something
- She had an operation on her knee.
- The operation lasted three hours.
ACTIVITY
B2an organized activity involving a lot of people
- A large rescue operation is under way.
BUSINESS
C1a business, or a part of a business
- The company has operations in ten countries.