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)