Brainiac Definition
Other Word Forms of Brainiac
Noun
Origin of Brainiac
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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
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
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