from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A crystalline alkaloid, C16H16N2O2, derived from ergot and used in medical research as a psychotomimetic agent.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a crystalline acid often used in medical research; obtained from ergotic alkaloids


lys(o)- + erg(ot) + -ic.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • LSD, lysergic acid diethylamide, or acid, was invented by accident in a Swiss laboratory in the 1930s by a doctor, Albert Hofmann, when a small amount of the compound on his fingertips resulted in "an altered state of awareness of the world."

    1968 the Year that Rocked the World


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