Brainiac meaning

brā'nē-ăk'
A person who is highly intelligent.
noun
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A person of great intelligence.
noun
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(slang, sometimes derogatory) A very intelligent and usually studious, erudite person.
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Origin of brainiac

  • Probably from Brainiac a highly intelligent villain in DC Comics blend of brain and maniac
    From American Heritage Dictionary of the English Language, 5th Edition
  • Blend of brain and maniac coined in the Superman comic book. The term first appeared in Action Comics #438 in July, 1958. The word itself is a portmanteau of the words brain and maniac, with influence from ENIAC, the name of an early computer.
    From Wiktionary