dopamine
noun
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
Recent Examples on the Web
Alkaline conditions are usually needed to realize the polymerization of dopamine, so it cannot be applied to materials that are unstable under alkaline conditions. — Jason Daley, Smithsonian, "Mussels’ Sticky Threads Could Inspire Ways to Clean Up Oil Spills, Purify Water and More," 13 July 2019 That’s the brain’s reward system, and opioids can hijack it by triggering a surge of dopamine larger than nature ever could. — Lauran Neergaard, The Denver Post, "Researchers peek into opioid users’ brains as they try to quit," 9 July 2019 Carr puts their texts on-screen with the accompanying pings and whooshes of real messages, giving some sense of the dopamine hits their communiqués must have offered. — Sophie Gilbert, The Atlantic, "The Cultural Fault Lines of I Love You, Now Die," 10 July 2019 Cocaine directly interferes with the brain's use of dopamine to convey messages from one neuron to another. — Eric Bowman, CNN, "The five most addictive substances in the world," 23 Jan. 2019 These are converted into new brain cells that make dopamine, a neurotransmitter essential for movement. — San Diego Union-Tribune, "UCSD to send ‘mini-brains’ to International Space Station for neural disease research," 7 July 2019 This is because alcohol acts on your brain’s reward system by prompting the release of dopamine, a neurotransmitter that can induce good feelings. — Natasha Lavender, SELF, "What to Do if Your Friend Is Passed Out Drunk," 26 Feb. 2019 This is because their effect on the neurotransmitter dopamine may have the potential to increase the levels of the hormone prolactin in the body, which can lead to anovulation in some people. — Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 Some of these monoamines are neurotransmitters including serotonin, epinephrine, and dopamine. — Carolyn Twersky, Seventeen, "Can You Really Have a Serial Killer Gene like Betty on "Riverdale"?," 9 May 2019These 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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More Definitions for dopamine
dopamine
noun
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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