blackout

Từ điển Oxford Advanced Learner 8th

black·out [blackout blackouts] BrE [ˈblækaʊt] NAmE [ˈblækaʊt] noun
1. a period when there is no light as a result of an electrical power failure
2. a situation when the government or the police will not allow any news or information on a particular subject to be given to the public
•The government imposed a news blackout during the crisis.
3. usually singular (especially BrE)a period of time during a war when all lights must be put out or covered at night, so that they cannot be seen by an enemy attacking by air
•It used to take hours to travel home in the blackout.
4. usually plural (BrE)a covering for windows that stops light being seen from outside, or light from outside from coming into a room
5. a temporary loss of ↑consciousness, sight or memory
•She had a blackout and couldn't remember anything about the accident.

Example Bank:
•The government imposed a news blackout.
•The storm caused blackouts in many areas.
•They met during a blackout in the war.