brain wave
Usually brain waves .Medicine/Medical. an electrical impulse given off by brain tissue, occurring at a frequency that varies according to mental state or activity, such as the slow waves associated with deep sleep and the fast waves associated with actively engaged thoughts and speech.: Compare alpha rhythm, beta rhythm, delta rhythm.
Informal. a sudden idea or inspiration; brainstorm.
Origin of brain wave
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use brain wave in a sentence
Fortunately, there is new tech to the rescue: inexpensive, commercial-grade brainwave readers.
High-Tech Meditation: Swap Your Yogi for a Headset | Gregory Ferenstein | April 14, 2014 | THE DAILY BEASTIt's not such a unique brainwave -- Robert Kagan has urged similar ideas.
"It was a sort of second-sight—what they call a brainwave," Nick smiled.
The Tragic Muse | Henry JamesThought exchange by "brainwave" is wonderful, even if we still need a little speech as auxiliary.
The Brain | Alexander Blade
British Dictionary definitions for brainwave (1 of 2)
/ (ˈbreɪnˌweɪv) /
informal a sudden inspiration or idea: Also called: brainstorm
British Dictionary definitions for brain wave (2 of 2)
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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