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psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən
: a hallucinogenic indole C12H17N2O4P obtained from a fungus (such as Psilocybe mexicana or P. cubensis synonym Stropharia cubensis)
Examples of psilocybin in a Sentence
Recent Examples on the Web
Lighting is equally as important as temperature since direct sunlight can break psilocybin down.
—Lydia Kariuki, The Mercury News, 4 Dec. 2024
Related article What experts say about taking psilocybin as an alternative treatment for depression
Menstrual pain is known as dysmenorrhea, which occurs in the pelvis or abdomen for typically up to three days once the bleeding starts.
—Kristen Rogers, CNN, 29 Nov. 2024
Daffy Taffy Amy Sedaris’s wellness mogul character Bethany Welles gifts the captain and crew her special saltwater taffy … which turns out to have psilocybin in it, causing the first mate to trip balls just as the Odyssey finds itself in the eye of a hurricane.
—Rebecca Alter, Vulture, 31 Oct. 2024
The biotechnology company Compass Pathways is poised to seek approval for psilocybin as a medication for treatment-resistant depression as soon as 2025.
—Shayla Love, The Atlantic, 20 Oct. 2024
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Word History
Etymology
New Latin Psilocybe, fungus genus + -in entry 1
First Known Use
1958, in the meaning defined above
Dictionary Entries Near psilocybin
Cite this Entry
“Psilocybin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psilocybin. Accessed 5 Jan. 2025.
Kids Definition
psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən
: a chemical that is obtained from a fungus and causes hallucinations
Medical Definition
psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən
: a hallucinogenic indole C12H17N2O4P obtained from a basidiomycetous fungus (as Psilocybe mexicana or P. cubensis synonym Stropharia cubensis)
More from Merriam-Webster on psilocybin
Britannica.com: Encyclopedia article about psilocybin
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