5-HT

noun

ˈfīv-(ˌ)āch-ˈtē How to pronounce 5-HT (audio)
: serotonin

Word History

Etymology

5-hydroxytryptamine

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of 5-HT was in 1958

Dictionary Entries Near 5-HT

5G

5-HT

64′ pitch

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Cite this Entry

“5-HT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/5-HT. Accessed 19 Apr. 2024.

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Medical Definition

More from Merriam-Webster on 5-HT

Britannica.com: Encyclopedia article about 5-HT

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