Dictionary
bar•bi•tu•rate
Pronunciation: (bär-bich'ur-it, -u-rāt"; bär"bi-toor'it, -āt, -tyoor'-), [key]—
n. Pharm.
any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.