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Noun: brainwave  'breyn,weyv
  1. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
    "The EEG recorded the patient's brainwaves during sleep";
    - brain wave, cortical potential
     
  2. The clear (and often sudden) understanding of a complex situation
    "He had a brainwave about how to solve the problem";
    - insight, brainstorm

Derived forms: brain waves, brainwaves

Type of: apprehension, bioelectricity, discernment, savvy, understanding

Encyclopedia: Brainwave