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 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 The study found that different types of thinking correspond to different brain wave patterns. Alison Gopnik, WSJ, 25 Feb. 2021 Biologists studying microglia don’t tend to read papers about brain waves, and brain wave researchers are generally unaware of glial research. Quanta Magazine, 27 May 2020 The different stimuli would rock the neurons into producing appropriate brain wave frequencies, causing nearby microglia to release specific types of cytokines, which tell microglia in general how to go to work repairing the brain. Quanta Magazine, 27 May 2020 Scientists have even detected a quieting of brain waves from people in the act of TV viewing. Bill Carter For Cnn Business Perspectives, CNN, 10 Apr. 2020 More important, the various stages of sleep, critical for storing long-term memories, can be identified by brain waves oscillating at different frequencies. R. Douglas Fields, Scientific American, 12 Mar. 2020 The concept of communicating through brain waves and mind reading has been a science-fiction favorite for years. Matt Blitz, Popular Mechanics, 1 Nov. 2019 The band measures electronic brain waves and translates them to a measure of alertness or fatigue. New York Times, 11 Feb. 2020

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.

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First Known Use of brain wave

1890, in the meaning defined at sense 2

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The first known use of brain wave was in 1890

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Cite this Entry

“Brain wave.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2021.

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More Definitions for brain wave

brain wave


English Language Learners Definition of brain wave

: a pattern or cycle of electrical activity in the brain

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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