dopamine
noun
do·pa·mine
ˈdō-pə-ˌmēn 
: 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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In Parkinson’s disease, placebo injections increase dopamine activity in the brain.
—
Phil Starks, The Conversation, 21 Apr. 2026
Scientists believe having too much or too little dopamine plays a role in ADHD.
—Erica Sweeney, EverydayHealth.com, 20 Apr. 2026
Many people think using social media releases dopamine, which brings us pleasure.
—CNN Money, 17 Apr. 2026
Your husband may be one of those; others find the dopamine rush helps with depression.
—Abigail Van Buren, Boston Herald, 17 Apr. 2026
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Phil Starks, The Conversation, 21 Apr. 2026
Scientists believe having too much or too little dopamine plays a role in ADHD.
—Erica Sweeney, EverydayHealth.com, 20 Apr. 2026
Many people think using social media releases dopamine, which brings us pleasure.
—CNN Money, 17 Apr. 2026
Your husband may be one of those; others find the dopamine rush helps with depression.
—Abigail Van Buren, Boston Herald, 17 Apr. 2026
See All Example Sentences for dopamine
Cite this Entry
“Dopamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dopamine. Accessed 29 Apr. 2026.
Copy CitationMedical Definition
dopamine
noun
do·pa·mine
ˈdō-pə-ˌmēn
: 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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