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Noun: brainiac  brey-nee-ak
Usage: N. Amer
  1. Someone who has exceptional intellectual ability and originality
    "Mozart was a child brainiac";
    - genius, mastermind, brain, Einstein, smart cookie [N. Amer, informal], brainbox [Brit, informal]

Derived forms: brainiacs

Type of: intellect, intellectual

Encyclopedia: Brainiac

Nearest

brain surgery
brain trust
brain truster
brain tumor
brain tumour
brain wave
brainbox
braincase
brainchild
brain-fag
brainiac
brainish
brainless
brainpan
brainpower
brains trust
brainsick
brainstem
brain-stem
brainstorm
brainstorming