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brainwave

British  
/ ˈbreɪnˌweɪv /

noun

  1. Also called: brainstorminformal a sudden inspiration or idea

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A Chicago newspaper editor’s brainwave brought together baseball’s titans in 1933 for an exhibition game.

From The Wall Street Journal • May 22, 2026

Research shows that looking at pictures of nature on your laptop or simply gazing out at something green can trigger the same calming brainwave changes and reduce stress.

From BBC • Oct. 9, 2025

We have a brainwave machine that charts your brain activity while you're tasting different types of food.

From Salon • Dec. 9, 2024

The team then attached much shorter physical wires between the tattoos to a small device that collects brainwave data.

From Science Daily • Dec. 2, 2024

"It was a sort of second-sight—what they call a brainwave," Nick smiled.

From The Tragic Muse by James, Henry

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