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English definition of “blackout”

blackout

noun [C]
 
 
/ˈblækaʊt/
UNCONSCIOUS the state of being unconscious for a short timeLosing consciousness
NO INFORMATION a situation in which people are not allowed to be told about something: [usually singular] a media/news blackout Secrecy and privacy
NO ELECTRICITY a failure in the supply of electricityElectricity and electronics
NO LIGHTS a period during a war when no lights must show at nightDarkness and becoming darkWar
(Definition of blackout from the Cambridge Learners Dictionary © Cambridge University Press)
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