Crossword clues for nitrobacterium
Wiktionary
nitrobacterium
n. Any of the several genera of bacteria in soil that take part in the nitrogen cycle, oxidize ammonium and organic nitrogen compounds to the more soluble nitrite and nitrate.
WordNet
nitrobacterium
n. 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