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

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

"I have seen new patients who have been dissociated for prolonged periods after using a psilocybin trip."

Read more on BBC

States can work faster than the federal government by carving out exemptions for supervised ibogaine therapy programs, similar to what Oregon has done with psilocybin therapy.

Read more on Los Angeles Times

Regulation of psilocybin — the “magic” substance in psychedelic mushrooms — has been a hot-button issue for Californians in recent years, but repeated attempts by state lawmakers to allow medical use of the substance have floundered.

Read more on Los Angeles Times

They arrested Tindall on suspicion of illegal sales of psilocybin mushrooms, which is a felony.

Read more on Los Angeles Times

She is interested in the potential for ketamine to treat depression and addiction problems but believes psilocybin, a Category A drug found in so-called magic mushrooms, could be more effective.

Read more on BBC