brainiac

Definition

A very intelligent and usually studious, erudite person.

Etymology

Blend of brain + maniac, with influence from ENIAC, the name of an early computer. The term was coined as the name of the fictional supervillain Brainiac in the Superman series and first appeared in Action Comics comic book #242 in July, 1958. By surface analysis, brainy + -ac.

Example Sentences

• "With all the brainiacs in the world ... you'd think somebody would come up with a sunblock for ice cream."
• "With nearly 900,000 Twitter followers, Popova is a member of a rare pantheon of “influencers” for the brainiac crowd. Miraculously, she makes a living writing a blog about science, literature, philosophy, feminism and whatever else takes her voracious and generous fancy."