Definitions

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

  • n. A sedative and hypnotic drug, C13H10N2O4, withdrawn from general use after it was found to cause severe birth defects when taken during pregnancy. It is sometimes prescribed to treat leprosy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. (RS)-2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)dione — C13H10N2O4 — A drug that was sold during the late 1950s and 1960s as a sleeping aid, and to pregnant women as an antiemetic to combat morning sickness and other symptoms, but was withdrawn after being proven to cause severe birth defects, such as phocomelia; currently used to treat leprosy.

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

  • n. a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesis

Etymologies

(ph)thal(ic acid) + (im)id(e) + (i)mide.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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