surveillance

BrE /ˈsɜː.vɪ.leɪns/ AmE /ˈsɜːr.vəˌleɪn/

noun en → es

1 OBSERVATION [uncountable] B2

the act of watching and observing someone or something, especially secretly or for a long time

vigilancia, espionaje

  • surveillance of somebody/something

Collocations surveillance camera · surveillance system

  • The police are conducting surveillance on the suspect.

    La policía está realizando vigilancia sobre el sospechoso.

2 SECURITY [uncountable] B1

the act of watching and monitoring a place or area to prevent crime or unauthorized access

vigilancia, seguridad

  • surveillance in/around somewhere

Collocations surveillance footage · surveillance measures

  • The building has 24-hour surveillance.

    El edificio tiene vigilancia las 24 horas del día.