1. (

• blackout

) a suspension of radio or tv broadcasting ;

2. (

• blackout ,
• brownout ,
• dimout

) darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft) ;

3. (

• blackout

) the failure of electric power for a general region ;

4. (

• blackout

) a momentary loss of consciousness ;

5. (

• amnesia ,
• memory_loss ,
• blackout ,

) partial or total loss of memory; "he has a total blackout for events of the evening" ;