hallucinogen

[huh-loo-suh-nuh-juhn]
noun
a substance that produces hallucinations.

Origin:
1950–55; hallucin(ation) + -o- + -gen

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Collins
World English Dictionary
hallucinogen (həˈluːsɪnəˌdʒɛn)
 
n
any drug, such as LSD or mescaline, that induces hallucinations

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

hallucinogen hal·lu·ci·no·gen (hə-lōō'sə-nə-jən)
n.
A substance that induces hallucination.


hal·lu'cin·o·gen'ic (-jěn'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
hallucinogen   (hə-l'sə-nə-jən)  Pronunciation Key 
A drug or chemical that causes a person to have hallucinations. Mescaline, LSD, and psilocybin are hallucinogens.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
hallucinogen [(huh-looh-suh-nuh-juhn)]

A substance or drug that can cause hallucinations.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Hallucinogen addiction is a drug which stimulates from plants and used for hallucination by people.
Not his fault that he grabbed the wrong pill bottle and ingested a hallucinogen instead.
Examines patterns of hallucinogen use among teens and adults.
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