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brain wave
 
Noun brain wave has 2 senses
  1. brainwave, brain wave, cortical potential - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph
    --1 is a kind of bioelectricity
    --1 has particulars:
     alpha rhythm, alpha wave; beta rhythm, beta wave; delta rhythm, delta wave; theta rhythm, theta wave; 1 of 2 senses of brainwave
  2. insight, brainstorm, brainwave - the clear (and often sudden) understanding of a complex situation
    --2 is a kind of understanding, apprehension, discernment, savvy
    --2 has particulars:
     light; revelation; discovery, breakthrough, find; flash
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