psychedelic

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psychedelic

 [si″kĕ-del´ik]
pertaining to or characterized by hallucinations, distortions of perception and awareness, and sometimes psychotic-like behavior; also, a drug producing such effects (see also hallucinogen). Psychedelic drugs include lsd and mescaline.

psy·che·del·ic

(sī'kĕ-del'ik),
1. Pertaining to a rather imprecise category of drugs with mainly central nervous system action, and with effects said to be the expansion or heightening of consciousness, for example, LSD, hashish, mescaline, psilocybin.
2. A hallucinogenic substance, visual display, music, or other sensory stimulus having such action.
Synonym(s): hallucinogenic
[psyche- + G. dēloō, to manifest]

psychedelic

/psy·che·del·ic/ (si″kĭ-del´ik)
1. pertaining to or characterized by hallucinations, distortions of perception and awareness, and sometimes psychotic-like behavior.
2. a drug that produces such effects.

psychedelic

(sī′kĭ-dĕl′ĭk)
adj.
Of, characterized by, or generating hallucinations, distortions of perception, altered states of awareness, and occasionally states resembling psychosis.
n.
A drug, such as LSD or mescaline, that produces psychedelic effects.

psy′che·del′i·cal·ly adv.

psychedelic

[sī′kədel′ik]
Etymology: coined in 1956 by Humphry Osmond from Gk, psyche + deloun, to reveal
1 describing a mental state characterized by altered sensory perception and hallucination accompanied by euphoria or fear, usually caused by the deliberate ingestion of drugs or other substances known to produce this effect.
2 describing any drug or substance that causes this state, such as mescaline or psilocybin.

psy·che·del·ic

(sī'kĕ-del'ik)
1. Pertaining to a category of drugs with mainly central nervous system action, said to be the expansion or heightening of consciousness (e.g., LSD, hashish, mescaline).
2. A hallucinogenic substance, visual display, music, or other sensory stimulus having such action.
Synonym(s): hallucinogenic.
[psyche- + G. dēloō, to manifest]

psychedelic,

adj 1. pertaining to a mental state distinguished by the presence of hallucinations and an alteration in the sensation of perception. The affected person may also report feelings of fear or euphoria.
adj 2. pertaining to a specific substance or drug, such as mescaline; known to produce mood-altering effects.