pentobarbital sodium pentobarbital • pentode · · · Info · Definitions · Synonyms · Characters · · pentobarbital sodium · · Text Common · · Latin · · Scripts 20 · · Length 8 · · Syllables Definitions · · · (noun) a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic. Synonyms: pentobarbital sodium, pentobarbital, Nembutal, yellow jacket. · · Noun Definition 1 Synonyms · · · pentobarbital · · Synonym 1 nembutal · · Synonym 2 yellow jacket · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075