Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun nitrous_bacterium

1 sense of nitrous bacterium

Sense 1
nitrite bacterium, nitrous bacterium -- (any of the nitrobacteria that oxidize ammonia into nitrites)
       => nitrobacterium -- (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)