phenobarbital

noun

phe·no·bar·bi·tal | \ ˌfē-nō-ˈbär-bə-ˌtȯl

\

Definition of phenobarbital

: a crystalline barbiturate C₁₂H₁₂N₂O₃ used as a hypnotic, sedative, and anticonvulsant

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The first known use of phenobarbital was in 1919

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phenobarbital

noun

phe·no·bar·bi·tal | \ ˌfē-nō-ˈbär-bə-ˌtȯl, -tȧl

\

Medical Definition of phenobarbital

: a crystalline barbiturate C₁₂H₁₂N₂O₃ that is used orally or is administered by injection in the form of its sodium salt C₁₂H₁₁N₂NaO₃ as a hypnotic and sedative — see luminal

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