Definitions for hallucinogenhəˈlu sə nə dʒən
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Random House Webster's College Dictionary
hal•lu•ci•no•genhəˈlu sə nə dʒən(n.)
a substance that produces hallucinations.
Category: Pharmacology
Origin of hallucinogen:
1950–55; hallucin (ation ) + -o - + -gen
hal•lu`ci•no•gen′ic-ˈdʒɛn ɪk(adj.)
Princeton's WordNet
hallucinogen, hallucinogenic drug, psychedelic drug, psychodelic drug(noun)
a psychoactive drug that induces hallucinations or altered sensory experiences
Wiktionary
hallucinogen(Noun)
Any substance tending to induce hallucination
Origin: hallucination + -o- + -gen.
Citation
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"hallucinogen." Definitions.net. STANDS4 LLC, 2013. Web. 20 May 2013. <http://www.definitions.net/definition/hallucinogen>.

