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[mes-kuh-leen, -lin] /ˈmɛs kəˌlin, -lɪn/
noun, Pharmacology
a white, water-soluble, crystalline powder, C 1 1 H 1 7 NO 3 , obtained from mescal buttons, that produces hallucinations.
Origin of mescaline
1895-1900; mescal + -ine2
Can be confused
mescaline, mesclun. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for mescaline
  • It took a mountain of amphetamine, mescaline, and cannabis to launch me into that space.
  • Subjects given lsd or mescaline would lie on mattresses, describing their visions into researchers' tape recorders.
  • Peyote is a small, spineless cactus in which the principal active ingredient is mescaline.
  • The active ingredient in peyote is the hallucinogen mescaline.
  • mescaline is the active hallucinogenic ingredient in peyote.
  • Its' effects in the open field test in mice and locomotor activity tests in rats are similar to mescaline.
British Dictionary definitions for mescaline


/ˈmɛskəˌliːn; -lɪn/
a hallucinogenic drug derived from mescal buttons. Formula: C11H17NO3
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for mescaline

crystalline alkaloid, 1896, from German mezcalin (1896), so called because it originally was found in the buttons that grow atop the mescal cacti (see mescal). With chemical suffix -ine (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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mescaline in Medicine

mescaline mes·ca·line (měs'kə-lēn', -lĭn)
An alkaloid drug obtained from buttons of a small cactus (Lophophora williamsii) that has hallucinatory effects.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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