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Collins Concise English Dictionary © HarperCollins Publishers:: brainwave /ˈbreɪnˌweɪv/ n - informal a sudden inspiration or idea
ˈbrain ˌwave, n. [countable]- PhysiologyUsually, brain waves. [plural] electrical currents or force given off by the brain when it is active:a special device to record the activity of brain waves during dreaming.
- brainstorm (def. 1).
WordReference Random House Unabridged Dictionary of American English © 2024brain′ wave′, - Usually, brain waves. [Med.]electrical potentials or impulses given off by brain tissue. Cf. alpha rhythm, beta rhythm, delta rhythm.
- [Informal.]a sudden idea or inspiration;
brainstorm.
Collins Concise English Dictionary © HarperCollins Publishers:: brain wave n - any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz
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