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

The psychoactive drug boosts chemicals like serotonin and oxytocin. Will Stone, Scientific American, "MDMA, Or Ecstasy, Shows Promise As A PTSD Treatment," 21 Aug. 2019 Sunlight availability can cause fluctuations in melatonin and serotonin levels, and our brain chemicals can deeply impact a variety of mental health disorders. Shelby Deering, Good Housekeeping, "Summer Depression Is a Thing — Here’s What You Need to Know," 7 June 2019 By increasing carb intake, women may be self-medicating with food to cause that serotonin bump in order to feel better. Sara Twogood, Quartz, "The science behind why you crave carbs when you’re on your period," 7 Aug. 2019 So, what’s the special sauce of a feel-good, serotonin-boosting song? NBC News, "These summer jams may boost your mood more than coffee," 28 July 2019 Brain scans might reveal what’s behind these tantalizing results: Studies have found that psilocybin binds to serotonin receptors, which reduces blood flow to a part of the brain that’s overactive in people who are depressed. Catherine Ryan Gregory, Marie Claire, "The Trip of a Lifetime," 9 July 2019 Avocados are also high in folate, which helps in regulating serotonin and depressive feelings. Samantha Lopez, Houston Chronicle, "Go beyond guacamole with these National Avocado Day dishes," 31 July 2019 Imbalances in your brain chemicals, including serotonin, which helps regulate pain, may also play a role. Korin Miller, SELF, "Is It True That the Weather Can Cause a Migraine?," 3 Aug. 2018 Bonus: By boosting serotonin, carbs help induce a relaxed, soporific state. Gretchen Röehrs, Harper's BAZAAR, "The Reverse-Aging Diet (Yes, You Can Have Carbs)," 9 Mar. 2018

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- + tonic + -in entry 1

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Statistics for serotonin

Last Updated

8 Sep 2019

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Time Traveler for serotonin

The first known use of serotonin was in 1948

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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

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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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