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hallucinogen

[huh-loo-suh-nuh-juh n]
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noun
  1. a substance that produces hallucinations.

Origin of hallucinogen

First recorded in 1950–55; hallucin(ation) + -o- + -gen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hallucinogen

hallucinogen

noun
  1. any drug, such as LSD or mescaline, that induces hallucinations
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

Word Origin and History for hallucinogen

n.

"drug which induces hallucinations," 1954, from stem of hallucination + -gen.

Online Etymology Dictionary, © 2010 Douglas Harper

hallucinogen in Medicine

hallucinogen

(hə-lōōsə-nə-jən)
n.
  1. A substance that induces hallucination.
Related formshal•lu′cin•o•genic (-jĕnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hallucinogen in Science

hallucinogen

[hə-lōōsə-nə-jən]
  1. A drug or chemical that causes a person to have hallucinations. Mescaline, LSD, and psilocybin are hallucinogens.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hallucinogen in Culture

hallucinogen

[(huh-looh-suh-nuh-juhn)]

A substance or drug that can cause hallucinations.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.