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Blackout vs Undefined - What's the difference?

blackout | undefined |

As a noun blackout

is a temporary loss of consciousness.

As an adjective undefined is

lacking a definition or value.

blackout

English

Noun

(en noun)
  • a temporary loss of consciousness
  • a temporary loss of memory
  • a large-scale power failure, and resulting loss of electricity to consumers
  • * "The repairs at the Koeberg Power Station in the Western Cape were on schedule for completion in the third week of May. This follows huge blackouts related to the problems at the power supplier since November. Weekend Argus May 13/14 2006 p.5.
  • the mandatory blocking of all light emanating from buildings as imposed during World War II

    • Alternative forms

    * black-out

    Synonyms

    * (temporary loss of consciousness) pass out

    Derived terms

    * blackout lamp

    See also

    * brownout * whiteout

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined