operation
/ˌɒpərˈeɪʃən/ noun [C]
MEDICAL TREATMENT › when a doctor cuts someone's body to remove or repair part of it ameliyat
a heart/lung operation a major/minor operation My son's got to have an operation.400 ORGANIZATION › an organization or business şirket, işletme
a large commercial operation6701445 ACTIVITY › an activity that is intended to achieve a particular purpose eylem, faaliyet
a military/peacekeeping operation a joint operation by French and Spanish police an operation to smuggle drugs into Britain1828 in operation › If a machine or system is in operation, it is working or being used. faal, işler/çalışır durumda, yürürlükte
The new rail link is now in operation. Most of the machines are now back in operation.1358