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psilocin

American  
[sil-uh-sin, sahy-luh-] / ˈsɪl ə sɪn, ˈsaɪ lə- /

noun

Biochemistry.

  1. a psilocybin metabolite with strong hallucinogenic potency, produced after ingestion of the mushroom Psilocybe mexicana.

Etymology

Origin of psilocin

First recorded in 1955–60; psiloc(ybin) + -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To address this challenge, a research team led by Sara De Martin, Mattarei and Paolo Manfredi designed five chemical variants of psilocin.

From Science Daily • Mar. 8, 2026

In animals treated with 4e, the compound crossed the blood-brain barrier efficiently and produced a lower but longer lasting level of psilocin in the brain compared with psilocybin.

From Science Daily • Mar. 8, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.