psilocybin

noun
psi·​lo·​cy·​bin | \ ˌsī-lə-ˈsī-bən How to pronounce psilocybin (audio) \

Definition of psilocybin

: 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 Oregon is so far the only state to legalize the therapeutic use of psilocybin, the psychedelic active ingredient in certain mushrooms. Lindsay Whitehurst, chicagotribune.com, 16 Apr. 2022 In Los Angeles on a sunny December weekend, El-Shakhs, the marijuana entrepreneur, told me that dozens, if not hundreds, of ceremonies featuring ayahuasca, psilocybin, ibogaine, MDMA, and Bufo take place in Southern California every weekend. Alex Kuczynski, Town & Country, 20 Jan. 2022 Oregon is the first state in the nation to vote to legalize psilocybin, which researchers believe could help treat depression, PTSD and addiction. oregonlive, 19 Jan. 2022 As with cannabis, entheogens like psilocybin mushrooms are magical with many potential benefits to help those in need, specifically mental health. Andrew Deangelo, Forbes, 14 Apr. 2022 The other was a tiny tweak to the membership of a task force to study the potential use of psilocybin mushrooms and other substances to treat mental illnesses. Robert Gehrke, The Salt Lake Tribune, 29 Mar. 2022 In 2021, the use of non-commercial psychedelics, which includes psilocybin mushrooms, was decriminalized in Seattle. Maria Pasquini, PEOPLE.com, 25 Mar. 2022 How might psilocybin be increasing the interconnectedness and flexibility of the brain? Bruce Y. Lee, Forbes, 12 Apr. 2022 The leader is Oregon, which passed a ballot measure in 2020 to permit psilocybin services. John Keilman, chicagotribune.com, 28 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psilocybin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of psilocybin

1958, in the meaning defined above

History and Etymology for psilocybin

New Latin Psilocybe, fungus genus + -in entry 1

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Time Traveler for psilocybin

Time Traveler

The first known use of psilocybin was in 1958

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Dictionary Entries Near psilocybin

psilate

psilocybin

psilomelane

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Statistics for psilocybin

Last Updated

23 May 2022

Cite this Entry

“Psilocybin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psilocybin. Accessed 28 May. 2022.

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More Definitions for psilocybin

psilocybin

noun
psi·​lo·​cy·​bin | \ ˌsī-lə-ˈsī-bən How to pronounce psilocybin (audio) \

Medical Definition of psilocybin

: 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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