Brain
Brain noun - A very smart person.
Micro
Micro adjective - Extremely small in scale or scope or capability.
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Synonyms for Micro
Brain and micro are semantically related in calculating topic. Sometimes you can use "Brain" instead a noun "Micro".
Both words in one sentence
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Micro-brain surgeries and a swiss-cheese brain were an attempt at containing her Dissociative Identity Disorder and creating a more stable personality, but also causing memory loss resulting in several Tomato in the Mirror moments.
Source: I'm Having Soul Pains - In Schlock Mercenary, Tailor, a robot designed to sew clothes, is the only one who can apply micro-sutures to prevent Tagon from bleeding into his brain.
Source: Closest Thing We Got - The Young Unicorns by Madeleine L'Engle has a young-adult-friendly version of the trope: a Micro-Ray that can directly stimulate the pleasure center of the brain.
Source: Orgasmatron
Cite this Source
Micro and Brain. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/brain/micro
Brain & Micro. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/brain/micro>.
Micro or Brain. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/brain/micro.
Google Ngram Viewer shows how "brain" and "micro" have occurred on timeline