What Does Blackout Mean?


A blackout is a fast shutdown of all lighting to complete darkness. It also refers to the period of temporary loss of consciousness due to decreased flow of blood to the brain.
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Ask.com Answer for: what does blackout mean
the extinguishing or concealment of all visible lights in a city, military post, etc., usually as a precaution against air raids.
a period during a massive power failure when the lack of electricity for illumination results in utter darkness except from emergency sources, as candles.
a brief, passing lapse of memory: An actor may have an occasional blackout and forget a line or two.
complete stoppage of a communications medium, as by a strike, catastrophe, electrical storm, etc.: a newspaper blackout; a radio blackout.
a stoppage, suppression, or obliteration: a news blackout.
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Source: Dictionary.com
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