Brain wave
Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.
Idea and brain wave are semantically related. In some cases you can use "Idea" instead a noun phrase "Brain wave".
Idea
Idea noun - Something imagined or pictured in the mind.
Usage example: my idea of the perfect vacation spot is an uncrowded, unspoiled beach
Brain wave and idea are semantically related. Sometimes you can use "Brain wave" instead a noun "Idea".
Mutual synonyms
Cite this Source
Idea and Brain wave. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/brain_wave/idea
Brain wave & Idea. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/brain_wave/idea>.
Idea or Brain wave. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/brain_wave/idea.
Google Ngram Viewer shows how "brain wave" and "idea" have occurred on timeline