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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.]


(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]


(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]
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


n psilocibina
References in periodicals archive ?
LSD (along with its natural sister psilocybin mushrooms) had a midcentury decade of press coverage that was surprisingly educated and positive.
Through two traditionally opposed concepts: science and spirituality, the official release of the award-winning documentary, A New Understanding: The Science of Psilocybin, offers a fresh look on treating end-of-life anxiety.
The mushrooms contain the psychedelic compounds psilocybin and psilocin and when taken colours, sounds and objects appear distorted.
The felony drug arrests involved possession and/or delivery of MDMA, methamphetamine, psilocybin mushrooms and marijuana.
It also includes the use of LSD and psilocybin for psychological treatment of patients with terminal illnesses, addressing such existential concerns as fear of death.
Natural tryptamine is found in many psychedelic substances including psilocybin mushrooms, typically known as aACAymagic mushrooms' and dimethyltryptamine, usually abbreviated to DMT.
Ever since the Nixon's administration's ban on psychedelics in the early 1970s, research in the use of LSD and psilocybin has been prohibited due to their Schedule I classification by the DEA.
Magic mushrooms are mushrooms that contain the psychedelic compounds psilocybin and psilocin.
A previous study was carried out by the same team on volunteers under the influence of the magic mushroom active ingredient psilocybin.
Nutt and other researchers have previously conducted studies with psilocybin, the psychedelic ingredient in magic mushrooms, and found it suppresses activity in certain "hub" areas of the brain that normally play a constraining role.
As the perfectly pitched, bombastic buffoon Erlich Bachman, comedian Miller steals the show, dubbing his banal suburban domicile an incubator and, aided by a fistful of psilocybin, rattling off evangelical tech gibberish: "Technolojees-us .
It collects rare articles form Leary's days as a Harvard professor of psychology, includes writings from the Harvard psilocybin Project and other experiments, and represent the heyday of early psychedelic researchers and their approaches to the spiritual, religious and therapeutic applications of LSD.