do·​pa·​mine | \ ˈdō-pə-ˌmēn \

Definition of dopamine

: 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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These are components of nerve cells that detect chemical signals—aka neurotransmitters, in this case dopamine—that are sent from other nerve cells. Beth Mole, Ars Technica, "Blockbuster drug Abilify nears Judgment Day over compulsive gambling, sex," 3 Aug. 2018 Opioid antagonists, such as naltrexone, indirectly inhibit brain cells from producing dopamine, thereby reducing cravings. Ferris Jabr, Scientific American, "How the Brain Gets Addicted to Gambling," 14 May 2018 Researchers are also investigating how issues with dopamine, a neurotransmitter your muscles need to work correctly, may cause RLS. Nina Bahadur, SELF, "8 Reasons You're Waking Up Mid-Sleep, and How to Fix Them," 11 Aug. 2018 Some gentle spa music and a cushy robe is no match for years of digital dopamine-fiending. Carrie Battan, Harper's BAZAAR, "Escaping the Seduction of Your Smartphone," 26 July 2018 My dopamine rush ceded to resentment and my shoulders sank into a familiar hunch. Andrew Reiner, Washington Post, "Life’s stresses often sink me. Here’s how I decided to change that.," 4 Feb. 2018 Feel-good neurochemicals like dopamine and serotonin may also play a role. Christine Yu, SELF, "Wading in a Cranberry Bog Was the Therapeutic Experience I Didn’t Know I Needed," 26 Oct. 2018 All Parkinson’s disease drugs used today work by increasing dopamine signaling in the brain. Denise Gellene,, "Arvid Carlsson, 95; discovered a treatment for Parkinson’s," 2 July 2018 Is this dopamine reward reaction the mouse corollary of human in-group recognition? Leslie Henderson, Scientific American, "Why Our Brains See the World as "Us" versus "Them"," 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dopamine.' 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 dopamine

1959, in the meaning defined above

History and Etymology for dopamine

dopa + amine

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Statistics for dopamine

Last Updated

23 Dec 2018

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Time Traveler for dopamine

The first known use of dopamine was in 1959

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do·​pa·​mine | \ ˈdō-pə-ˌmēn \

Medical Definition of dopamine

: 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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Rhyming Dictionary: Words that rhyme with dopamine

Nglish: Translation of dopamine for Spanish Speakers Encyclopedia article about dopamine

Comments on dopamine

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a complex dispute or argument

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