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
California For Subscribers ‘MAHA moms,’ psilocybin therapy, anti-vaxxers: L.A.’s wellness movement’s path to the White House
May 22, 2025
If passed, the new work requirements to Medicaid would kick in at the end of 2026, right after the midterm elections.
—
Michael Wilner, Los Angeles Times, 22 May 2025
Most interestingly, though, using mouse models, the team found that the psychedelics psilocybin and MDMA blocked the monocytes from collecting in the brain, thus hampering the immune system's ability to spark fear and create an inflammatory response.
—Michael Franco
may 06, New Atlas, 6 May 2025
Senate Bill 76, introduced in January, proposed myriad new regulations for the state’s industries dealing with intoxicating substances, such as cannabis and psilocybin.
—The Denver Post, 22 Mar. 2025
In addition, researchers recently found that psilocybin may mimic effects of a popular antidepressant drug escitalopram.
—Benjamin Adams, Forbes, 21 Mar. 2025
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Michael Wilner, Los Angeles Times, 22 May 2025
Most interestingly, though, using mouse models, the team found that the psychedelics psilocybin and MDMA blocked the monocytes from collecting in the brain, thus hampering the immune system's ability to spark fear and create an inflammatory response.
—Michael Franco
may 06, New Atlas, 6 May 2025
Senate Bill 76, introduced in January, proposed myriad new regulations for the state’s industries dealing with intoxicating substances, such as cannabis and psilocybin.
—The Denver Post, 22 Mar. 2025
In addition, researchers recently found that psilocybin may mimic effects of a popular antidepressant drug escitalopram.
—Benjamin Adams, Forbes, 21 Mar. 2025
See All Example Sentences for psilocybin
Cite this Entry
“Psilocybin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psilocybin. Accessed 10 Jun. 2025.
Copy CitationKids 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)
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