Lsd meaning

ĕl'ĕs-dē'
A crystalline compound, C20 H25 N3 O, derived from lysergic acid and used as a powerful hallucinogenic drug.
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A crystalline compound, C15H15N2CON(C2H5)2, an amide of lysergic acid, used in the study of schizophrenia and other mental disorders and as a psychedelic drug: it produces hallucinations, delusions, etc. resembling those occurring in a psychotic state.
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A crystalline compound, C20 H25 N3 O, derived from lysergic acid and used as a powerful hallucinogenic drug.
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Short for lysergic acid diethylamide. A crystalline compound that is a synthetic derivative of lysergic acid. It is used as a powerful hallucinogenic drug. Chemical formula: C20H25N3O.
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Origin of lsd

  • l(y)s(ergic acid) d(iethylamide)
    From American Heritage Dictionary of the English Language, 5th Edition