brain wave

noun

Definition of brain wave

1 :brainstorm 2a
2 a :rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
b :a current produced by brain waves

First Known Use of brain wave

1890


BRAIN WAVE Defined for English Language Learners

brain wave

noun

Definition of brain wave for English Language Learners

  • : a pattern or cycle of electrical activity in the brain


Medical Dictionary

brain wave

noun

medical Definition of brain wave

1 :rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
2 :a current produced by brain waves — compare alpha wave, beta wave

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