psilocybin

[ sil-uh-sahy-bin, sahy-luh- ]

noun

, Pharmacology.

1. a hallucinogenic crystalline solid, C 1 2 H 1 7 N 2 O 4 P, obtained from the mushroom Psilocybe mexicana.

psilocybin

/ ˌsaɪlə-; ˌsɪləˈsaɪbɪn /

noun

1. a crystalline phosphate ester that is the active principle of the hallucinogenic fungus Psilocybe mexicana. Formula: C 12 H 17 N 2 O 4 P

psilocybin

/ sĭl′ə-sī′bĭn,sī′lə- /

1. A hallucinogenic compound obtained from certain mushrooms, especially of the genus Psilocybe. Chemical formula: C 12 H 17 N 2 O 4 P.

Word History and Origins

Origin of psilocybin¹

1955–60; < New Latin Psilocyb ( e ) genus of mushrooms (< Greek psīló ( s ) bare + kýbē head) + -in ²

Word History and Origins

Origin of psilocybin¹

C20: from New Latin Psilocybe (from Greek psilos bare + kubē head) + -in

Example Sentences

Such professorial passages alternate with Pollan’s eyebrow-raising personal experiences with psychedelics including psilocybin, LSD and the crystallized venom of a Sonoran Desert toad.

From Washington Post

States across the country will legalize recreational cannabis and reduce barriers to psilocybin use.

From Fortune

Participants also received therapy and support from researchers, before, during and after taking psilocybin.

From Science News

The psilocybin soon worked its way fully into his physiology.

From Popular-Science

The treatment, involving two therapy sessions under the influence of psilocybin, was a challenging experience, says Roullier, involving confronting past traumas.

From Quartz

Our subjects take a controlled dose of synthesized psilocybin.

From The Daily Beast

It lasts several hours longer than either MDMA or psilocybin, and it has the greatest risk profile of any psychedelic.

From The Daily Beast

It is common to have a bad psychological reaction to LSD, mescaline, and psilocybin.

From Project Gutenberg

Lysergic acid (LSD), mescaline, and psilocybin cause illusions and hallucinations.

From Project Gutenberg