Main Entry: seco·bar·bi·tal

Pronunciation: \ˌsek-ō-ˈbär-bə-ˌtȯl\

Function: noun

: a barbiturate that is used chiefly in the form of its bitter hygroscopic sodium salt C₁₂H₁₇N₂NaO₃ as a hypnotic and sedative—called also quinalbarbitone; see seconal