a hallucinogenic crystalline solid, C12H17N2O4P, obtained from the mushroom Psilocybe mexicana.
Origin of psilocybin
< New Latin Psilocyb(e
) genus of mushrooms (< Greek psīló(s
) bare + kýbē
head) + -in2
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for psilocybin
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
Word Origin for psilocybin
C20: from New Latin Psilocybe (from Greek psilos bare + kubē head) + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for psilocybin
1958, from Modern Latin psilocybe, name of a Central American species of mushroom, from Greek psilos "bare" (see psilo-) + kybe "head."
Online Etymology Dictionary, © 2010 Douglas Harper
A hallucinogenic compound obtained from the mushroom Psilocybe mexicana.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
A hallucinogenic compound obtained from certain mushrooms, especially of the genus Psilocybe. Chemical formula: C12H17N2O4P.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.