nitrobacteria Nitrobacter • Nitrobacteriaceae · · · Info · Definitions · Synonyms · Characters · · nitrobacteria · · Text Latin · · Script 13 · · Length Definitions · · · (noun) soil bacteria that convert nitrites to nitrates. Synonyms: nitric bacteria. · · Noun Definition 1 Synonyms · · · nitric bacteria · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074