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brain wave

noun
1.
Usually, brain waves. Medicine/Medical. electrical potentials or impulses given off by brain tissue.
2.
Informal. a sudden idea or inspiration; brainstorm.
Origin
1865-1870
1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for brain wave
  • Visual decoder allows researchers to translate brain wave activity into images.
  • When your brain wave frequency is lower than during regular waking activity, the chemicals produced within your brain are altered.
  • Our consciousness spans at once the full extent of the region of space-time that the brain wave function occupies in the universe.
  • They say that brain wave activity jumps several days after birth.
  • The brain wave evidence alone is scientifically demonstrating the presence of the real thing.
  • In this approach, wires attached to the scalp measure brain wave patterns.
British Dictionary definitions for brain wave

brain wave

noun
1.
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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