from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline or powdery barbiturate, C11H17N2O3Na, used as a hypnotic, a sedative, and an anticonvulsive drug. Also called pentobarbitone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic
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