lysergic acid

The d-isomer is a cleavage product of alkaline hydrolysis of ergot alkaloids; occurs as shiny crystals, slightly soluble in water; a psychotomimetic.
- l. amide a psychotomimetic agent present in Rivea corymbosa and Ipomoea tricolor; possesses less hallucinogenic potency than does l. diethylamide. SYN: ergine, lysergamide.
- l. diethylamide (LSD) peripherally, a serotonin antagonist; 1 to 2 μg per kg induces hallucinatory states of a visual rather than auditory nature; its use may precipitate psychoses; it has been occasionally used in the treatment of chronic alcoholism and psychotic disorders. SYN: lysergide.
- l. monoethylamide a psychotomimetic agent present in Rivea corymbosa and Ipomoea tricolor; possesses less hallucinatory potency than does l. diethylamide.

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ly·ser·gic acid lə-.sər-jik-, (.)lī- n a crystalline acid C16H16N2O2 that is an ergotic alkaloid also LSD

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ly·ser·gic ac·id (li-surґjik) a constituent of the ergot alkaloids obtained by hydrolysis.

Medical dictionary. 2011.

Look at other dictionaries:

  • Lysergic acid — Lysergic acid …   Wikipedia

  • lysergic acid — [lī sʉr′jik] n. [< LYSI + ERG(OT) + IC] a monobasic acid, C16H16N2O2, extracted from ergot alkaloids or synthesized: see LSD …   English World dictionary

  • lysergic acid — [lʌɪ sə:dʒɪk] noun Chemistry a crystalline compound prepared from natural ergot alkaloids or synthetically, from which the drug LSD (lysergic acid diethylamide) can be made. Origin 1930s: lysergic from (hydro)lys(is) + erg(ot) + ic …   English new terms dictionary

  • lysergic acid — n. a crystalline acid extracted from ergot or prepared synthetically. Phrases and idioms: lysergic acid diethylamide a powerful hallucinogenic drug. Usage: Abbr.: LSD. Etymology: hydro lysis + ergot + IC …   Useful english dictionary

  • lysergic acid — lizergo rūgštis statusas T sritis chemija apibrėžtis Tetraciklinis indolo darinys, skalsiagrybio (Claviceps purpurea) alkaloidas. formulė C₁₆H₁₆N₂O₂ atitikmenys: angl. lysergic acid rus. лизергиновая кислота …   Chemijos terminų aiškinamasis žodynas

  • lysergic acid — noun Etymology: International Scientific Vocabulary lys + ergot + 1 ic Date: 1934 a crystalline acid C16H16N2O2 from ergotic alkaloids; also LSD …   New Collegiate Dictionary

  • lysergic acid — noun An organic compound, 6 methyl 9,10 didehydro ergoline 8 carboxylic acid, derived from an alkaloid found in ergot; its amide derivatives are widely used as pharmaceuticals and as hallucinogenic drugs (LSD) …   Wiktionary

  • lysergic acid — /laɪˌsɜdʒɪk ˈæsəd / (say luy.serjik asuhd) noun 1. a crystalline tetracyclic acid which can be produced from ergot, and which can be converted to LSD. 2. → LSD …   Australian English dictionary

  • lysergic acid — /luy serr jik, li /, Chem. a crystalline solid, C16H16N2O2, obtained from ergot or synthesized: used in the synthesis of LSD. [1930 35; LYS + ERG(OT) + IC] * * * …   Universalium

  • lysergic acid — crystalline tetracyclic compound …   English contemporary dictionary

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