Blackout

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Blackout may refer to:

In electricity distribution:

In medicine:

In communications or telecommunications:

  • Communications blackout, a military tactic of avoiding use of radio communication in an attempt to "hide" from the enemy
  • Blackout (broadcasting), a regulatory ban, or embargo, on the broadcasting of an event, for example a television network may not be allowed to show a sporting event to a certain region or a press release is not permitted to be broadcast until a certain date and time.

In sport, entertainment and publishing: