hexobarbital

noun

hexo·​bar·​bi·​tal ˌhek-sə-ˈbär-bə-ˌtȯl 

: a barbiturate C₁₂H₁₆N₂O₃ used as a sedative and hypnotic and in the form of its soluble sodium salt as an intravenous anesthetic of short duration

Word History

Etymology

hexo- (from hexa-) + barbital

First Known Use

1941, in the meaning defined above

Medical Definition

hexobarbital

noun

hexo·​bar·​bi·​tal ˌhek-sə-ˈbär-bə-ˌtȯl 

: a barbiturate C₁₂H₁₆N₂O₃ used as a sedative and hypnotic and in the form of its soluble sodium salt C₁₂H₁₅N₂NaO₃ as an intravenous anesthetic of short duration