| barbital | <chemical> A long-acting barbiturate that depresses most metabolic processes at high doses. It is used as a hypnotic and sedative and may induce dependence. Barbital is also used in veterinary practice for central nervous system depression. Pharmacological action: gaba modulators, sedatives, barbiturate. Chemical name: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-diethyl- (12 Dec 1998) |
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