Definitions for "Hallucinogens"
psychoactive drugs that induce extreme alterations in consciousness, including visual hallucinations, a sense of timelessness, and feelings of depersonalization. (223)
(hah-lu¯´si´´no-jenz) Drugs that alter perceptual experiences.
A class of drugs producing distortions in perception and body image at moderate doses” ( Levinthal, 118).