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

  • n. A barbiturate, C11H18N2O3, used as a sedative and a hypnotic.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A barbiturate derivative, a bitter-tasting odourless white powder with sedative-hypnotic and analgesic properties.

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

  • n. a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant


am(yl) + barbital.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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