Origin of brain wave
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for brainwave (1 of 2)
/ (ˈbreɪnˌweɪv) /
informal a sudden inspiration or ideaAlso called: brainstorm
British Dictionary definitions for brainwave (2 of 2)
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
Medicine definitions for brainwave
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.