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

First Known Use of phenobarbital

1919, in the meaning defined above

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The first known use of phenobarbital was in 1919

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More Definitions for phenobarbital

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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