nembutal nematozooid • Nembutal · · · Info · Definitions · Synonyms · Characters · · nembutal · · Text Latin · · Script 8 · · Length 3 · · 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 sodium · · Synonym 1 pentobarbital · · Synonym 2 yellow jacket · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074 u latin small letter u U+0075