serotonin

noun
se·​ro·​to·​nin | \ ˌsir-ə-ˈtō-nən How to pronounce serotonin (audio) , ˌser- \

Definition of serotonin

: a phenolic amine neurotransmitter C10H12N2O that is a powerful vasoconstrictor and is found especially in the brain, blood serum, and gastric mucous membrane of mammals

Examples of serotonin in a Sentence

Recent Examples on the Web Working out increases levels of the mood-boosting brain chemical serotonin, which plays a role in regulating your circadian rhythms. Cassie Shortsleeve, Good Housekeeping, 27 Aug. 2021 For a dose of serotonin in its purest form, watch her lil’ post-win celebration dance. Karen Yuan, Bon Appétit, 6 Aug. 2021 Antidepressants: By working on the level of serotonin and norepinephrine in your brain, certain types of antidepressants can actually curb migraine episodes. Korin Mille, SELF, 6 Aug. 2021 Research says music therapy can support physical and psychological healing, ease travel anxiety and help positively affect mood and emotional states by releasing feel good neurochemicals like dopamine, serotonin and oxytocin. Roger Sands, Forbes, 15 June 2021 There are theories that the virus affects serotonin and dopamine neurotransmitters. Morgan Stephens, CNN, 23 July 2021 Like all types of physical activity, swimming can improve your mood by stimulating the production of endorphins -- natural opioids produced in the brain -- as well as other neurotransmitters such as dopamine and serotonin. Dr. Mark Lieber, CNN, 16 July 2021 While many traditional antidepressants work by increasing serotonin, which eventually impacts the neurotransmitter glutamate, ketamine targets the brain's N-methyl-D-aspartate receptors and allows new synapses to form in the frontal cortex. Lydia Wang, refinery29.com, 11 June 2021 For example, foods that promote the balance of bacteria in the gut affect the production of neurotransmitters like serotonin and dopamine, which regulate mood and play a role in the development of psychiatric disorders. Anna Haines, Forbes, 10 June 2021

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

1948, in the meaning defined above

History and Etymology for serotonin

sero- + ton(ic) entry 2 or tone entry 1 + -in entry 1, probably after angiotonin, earlier name for angiotensin — more at angiotensin

Note: Term introduced by Maurice M. Rapport, Arda Alden Green and Irvine H. Page in "Crystalline serotonin," Science, vol. 108, Issue 2804 (September 24, 1948), pp. 329-330: "The general behavior of the crystalline substance is suggestive of its homogeneity. We would like provisionally to name it serotonin, which indicates that its source is serum and its activity is one of causing constriction."

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The first known use of serotonin was in 1948

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Dictionary Entries Near serotonin

serotonergic

serotonin

serotype

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Last Updated

10 Sep 2021

Cite this Entry

“Serotonin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/serotonin. Accessed 27 Sep. 2021.

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More Definitions for serotonin

serotonin

noun
se·​ro·​to·​nin | \ ˌsir-ə-ˈtō-nən How to pronounce serotonin (audio) , ˌser- How to pronounce serotonin (audio) \

Medical Definition of serotonin

: a phenolic amine neurotransmitter C10H12N2O that is a powerful vasoconstrictor and is found especially in the brain, blood serum, and gastric mucous membrane of mammals

called also 5-HT, 5-hydroxytryptamine

More from Merriam-Webster on serotonin

Nglish: Translation of serotonin for Spanish Speakers

Britannica English: Translation of serotonin for Arabic Speakers

Britannica.com: Encyclopedia article about serotonin

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