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brain wave

Usually, brain waves. Medicine/Medical. electrical potentials or impulses given off by brain tissue.
Informal. a sudden idea or inspiration; brainstorm.
Origin of brain wave
First recorded in 1865-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for brain wave
Contemporary Examples
Historical Examples
  • "Must have been what they call a brain wave," suggested Peggy, audaciously.

    Peggy Raymond's Way Harriet Lummis Smith
  • Roughly you might say it generates and radiates like our brain wave.

    The Kenzie Report Mark Clifton
  • Say, Earl, about how long does it take to find out a guy's brain wave band?

    The Telenizer Don Thompson
  • Now, out with those lights—and let's go over to the "brain wave."

    The Brain Alexander Blade
  • Seized with a brain wave, they lit a fire upon the centre of the bridge.

British Dictionary definitions for brain wave

brain wave

any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz See also alpha rhythm, beta rhythm, delta rhythm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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brain wave in Medicine

brain wave n.
A rhythmic fluctuation of electric potential between parts of the brain, as seen on an electroencephalogram.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for brain wave

brain wave

noun phrase

A sudden useful idea; brainstorm: Lou had a brain wave. He offered the boy a C note to let him drive (1890s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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