from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white odorless barbiturate, C12H18N2O3, used in the form of its sodium salt as a sedative and hypnotic.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Quinalbarbitone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions
seco(ndary) + barbital.(American Heritage® Dictionary of the English Language, Fourth Edition)
From secondary + barbital. (Wiktionary)