lysergic acid diethylamide

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lysergic acid diethylamide (LSD) (ly-ser-jik ass-id dy-eth-il-ay-myd) n. a hallucinogenic drug, formerly used to aid treatment of psychological disorders. Alterations in sight, hearing, and other senses occur, psychotic effects, depression, and confusion are common, and tolerance to the drug develops rapidly. Because of these toxic effects, LSD is no longer used clinically.

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