malonylurea malonyl • Malope · · · Info · Definitions · Synonyms · Characters · · malonylurea · · Text Latin · · Script 11 · · Length Definitions · · · (noun) a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs. Synonyms: barbituric acid. · · Noun Definition 1 Synonyms · · · barbituric acid · · Synonym 1 Characters · · a latin small letter a U+0061 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 o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079