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hallucinogen

/ˌhæl.uːˈsɪn.ə.dʒən/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about hallucinogen at Wordnik → Where our words come from →

  1. A psychoactive drug that induces hallucinations or altered sensory experiences.

Origin

From hallucination + -o- (interconsonantal) + -gen (“producer”).

From Wiktionary, via Kaikki.org (CC BY-SA)