n.

1. 燈火管制
2. 燈暗；熄燈；停電
   I was trapped inside an elevator during the blackout.

   停電時，我被關在電梯裡。

3. 暫時性眼前昏黑；突然發昏
4. （廣播等）停止

n.

1. a period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid.
   ▸ (blackouts) Brit. dark curtains put up in windows during an air raid.
   ▸a sudden failure or dimming of electric lights.
2. a temporary loss of consciousness.
3. an official suppression of information:
   a total news blackout.