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 (sĭl′ə-sī′bĭn, sī′lə-)
A hallucinogenic compound, C12H17N2O4P, obtained from mushrooms chiefly of the genus Psilocybe.

[New Latin Psīlocybē, mushroom genus (Greek psīlos, bare + Greek kubē, head) + -in.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌsɪləˈsaɪbɪn; ˌsaɪlə-)
(Elements & Compounds) a crystalline phosphate ester that is the active principle of the hallucinogenic fungus Psilocybe mexicana. Formula: C12H17N2O4P
[C20: from New Latin Psilocybe (from Greek psilos bare + kubē head) + -in]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌsɪl əˈsaɪ bɪn, ˌsaɪ lə-)

a hallucinogenic crystalline solid, C12H17N2O4P, obtained from the mushroom Psilocybe mexicana.
[1955–60; < New Latin Psilocyb(e) genus of mushrooms (< Greek psīló(s) bare + kýbē head) + -in1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.psilocybin - a hallucinogenic compound obtained from a mushroom
hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug - a psychoactive drug that induces hallucinations or altered sensory experiences
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n psilocibina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The research was mainly focused on psilocybin, the chemical found in psychedelic mushrooms, which has been shown to be successful in reducing anxiety and depression in cancer patients and also in nicotine addiction, reports The Baltimore Sun.
On May 8th, 2019, Denver voters approved Initiative 301, a measure that prohibits the city's government from deploying resources to impose criminal penalties relating to the consumption and possession of psilocybin by adults over 21 years of age.
Thirty-three states have legalized medical marijuana (11 for recreational, too), and Denver voters just decriminalized the use of psilocybin (aka magic) mushrooms.
Last year, Khan was also involved in an insightful documentary at a Jamaican psychedelic mushroom farm, discussing psilocybin which Khan believes can bring 'fundamental changes' to the 'neuroplasticity of the brain'.
SAN FRANCISCO -- Patients with alcohol use disorder reported a substantial decrease in drinking days, drinks per drinking day, and cravings in an ongoing trial of psilocybin at New York University
In addition, its new division, M2BIO aims to explore and develop additional indications for psilocybin new therapies that will help patients who suffer from mental illness.
Authorities seized 150 grams of cocaine, 1 gram of MDMA, 341 grams of cannabis, 29 grams of psilocybin mushrooms, 51 amphetamine and dextroamphetamine pills, 30 alprazolam pills, 6 morphine pills, packaging material, drug paraphernalia and $2,511 in cash, according to the news release.
Denver on Tuesday passed an ordinance to decriminalize psilocybin, also known as "magic mushrooms," making it the first city in the United States to do so.
Meanwhile, I had been noticing studies into the medical possibilities of psychedelic drugs - LSD, MDMA, ketamine, psilocybin (magic mushrooms) and so on.
ATAI is also the largest investor in COMPASS Pathways, which is developing psilocybin therapy for treatment-resistant depression and has received Breakthrough Therapy designation from the FDA.
The Northumberland, Tyne and Wear NHS Foundation Trust (NTW) is one of three clinical sites in the UK and around 18 worldwide which are taking part in a study into psilocybin therapy in people with treatment resistant depression (TRD).