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brain wave

noun

Definition of brain wave

  1. 1 :  brainstorm 2a

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

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1890

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. 1:  rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current

  2. 2:  a current produced by brain waves—compare alpha wave, beta wave

Learn More about brain wave

  1. See words that rhyme with brain wave Britannica.com: Encyclopedia article about brain wave

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