Definition from Wiktionary, the free dictionary
barbiturate (plural barbiturates)
- (organic chemistry) Any salt or ester of barbituric acid.
- (pharmacology) Any of derivatives of barbituric acid that act as depressants of the central nervous system and are used as sedatives or hypnotics.
salt or ester of barbituric acid
derivative of barbituric acid that acts as a depressant of the central nervous system
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