: a monoamine C8H11NO2 that is a decarboxylated form of dopa and that occurs especially as a neurotransmitter in the brain

Examples of dopamine in a Sentence

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As these dopamine chasers inflict their limbic systems on every film, cheering for lizard-brain human suffering, the Olds scramble to give all that bloodlust a higher purpose, laundering it into political statements right there in the Q&A. — Joseph Kahn, HollywoodReporter, 8 Oct. 2026 Those efforts are being led by a handful of firms big on dopamine-inducing zigzags, retro fonts, and zingy names. — Adriane Quinlan, Curbed, 6 Oct. 2026 Nicotine dependence alters brain chemistry by stimulating neurotransmitters like dopamine that govern mood and pleasure, according to Cleveland Clinic. — Khloe Quill, FOXNews.com, 24 Sep. 2026 Crystals have been popping up everywhere, from face masks to coffee cups, and there’s something about those tiny, light-catching gems that delivers an instant hit of dopamine. — Amanda Le, InStyle, 24 Sep. 2026 See All Example Sentences for dopamine

Word History

Etymology

dopa + amine

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of dopamine was in 1959

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Cite this Entry

“Dopamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dopamine. Accessed 9 Oct. 2026.

Medical Definition

: a monoamine C8H11NO2 that is a decarboxylated form of dopa and occurs especially as a neurotransmitter in the brain and as an intermediate in the biosynthesis of epinephrine see intropin

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