nitrobacterium Nitrobacterieae • nitrobarite · · · Info · Definitions · Characters · · nitrobacterium · · Text Latin · · Script 14 · · Length 6 · · Syllables Definitions · · · (noun) any of the bacteria in the soil that take part in the nitrogen cycle; they oxidize ammonium compounds into nitrites or oxidize nitrites into nitrates. · · Noun Definition 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 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 t latin small letter t U+0074 u latin small letter u U+0075