Skip to Content


Pronunciation: ha-lu'si-no-jen

Definition: A mind-altering chemical, drug, or agent, specifically a chemical the most prominent pharmacologic action of which is on the central nervous system (mescaline); in normal people, it elicits optic or auditory hallucinations, depersonalization, perceptual disturbances, and disturbances of thought processes.

Synonym(s): psychedelic drug, psychodysleptic drug, psycholytic drug, psychotomimetic drug

[L. alucinor, to wander in mind, + G. -gen, producing]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.