First Known Use: 1954
Dictionary
hallucinogen
noun hal·lu·ci·no·gen \hə-ˈlü-sə-nə-jən\
: a substance (such as a drug) that causes people to see or sense things that are not real : a substance that causes hallucinations
Full Definition of HALLUCINOGEN
: a substance that induces hallucinations
— hal·lu·ci·no·gen·ic \-ˌlü-sə-nə-ˈje-nik\ adjective or noun
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Origin of HALLUCINOGEN
hallucination + -o- + -gen
HALLUCINOGEN Defined for Kids
hallucinogen
noun hal·lu·ci·no·gen \hə-ˈlü-sə-nə-jən\
Definition of HALLUCINOGEN for Kids
: a drug that causes hallucinations
— hal·lu·ci·no·gen·ic \hə-ˌlü-sə-nə-ˈje-nik\ adjective
Medical Dictionary
hallucinogen
noun hal·lu·ci·no·gen \hə-ˈlüs-ən-ə-jən\
Medical Definition of HALLUCINOGEN
: a substance and especially a drug that induces hallucinations
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