brain wave

plural brain waves

Definition of brain wave

1a : rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
b : a current produced by brain waves
2 : a flash of inspiration : brainstorm sense 1a We invited the Hill Holliday ad agency in Boston to collaborate on our cover shoot, and its creative director, Lance Jensen, had a brain wave: wouldn't it be eye-catching for our pages to reflect not just the editorial look of the '60s but also the advertising idiom of the time?— Tina Brown

Examples of brain wave in a Sentence

Recent Examples on the Web This version worked using brain wave data and head gestures, and Choi posted instructions online for anyone to build their own. Margaret Osborne, Smithsonian Magazine, 2 May 2022 The forehead electrode picks up brain wave information, which is sent to a microchip in the prosthetic arm via Bluetooth. Margaret Osborne, Smithsonian Magazine, 2 May 2022 These include galvanic skin response, eye tracking, respiration, EEG brain wave measurement and others. Roger Dooley, Forbes, 7 Nov. 2021 The brain wave amplifier gave way to other high-tech gadgetry. New York Times, 1 Dec. 2021 The EEGs showed different brain wave patterns in the Covid patients that lasted at least seven months following their initial infection. NBC News, 4 Nov. 2021 And the better the listener understood, the more closely the brain wave patterns mirrored those of the storyteller. Susanna Schrobsdorff, Time, 7 Oct. 2021 While the delta variant does share a name with a brain wave that is associated with sleep, there is no deeper meaning. Ella Lee, USA TODAY, 1 Aug. 2021 Scientists report that mindfulness slows down your heart rate and brain wave patterns and boosts our immune system and cardiac functioning. Bryan Robinson, Forbes, 6 Apr. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brain wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brain wave

1890, in the meaning defined at sense 2

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Time Traveler for brain wave

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The first known use of brain wave was in 1890

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Last Updated

22 Jun 2022

Cite this Entry

“Brain wave.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2022.

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More Definitions for brain wave

brain wave


Medical Definition of brain wave

1 : rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current
2 : a current produced by brain waves — compare alpha wave, beta wave

More from Merriam-Webster on brain wave

Thesaurus: All synonyms and antonyms for brain wave Encyclopedia article about brain wave


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