- brain swelling,
- brain teaser,
- brain trust,
- brain truster,
- brain up,
- brain's reflex,
- brain-fever bird,
Origin of brain wave
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for brainwave
informal a sudden inspiration or ideaAlso called: brainstorm
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
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.