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Noun: hallucinogen  hu'loo-su-nu-jun or hu'loo-su-nu,jen
  1. A psychoactive drug that induces hallucinations or altered sensory experiences
    - hallucinogenic drug, psychedelic drug, psychodelic drug

Derived forms: hallucinogens

Type of: consciousness-altering drug, mind-altering drug, psychoactive drug, psychoactive substance

Encyclopedia: Hallucinogen