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

1 sense of nitrobacterium

Sense 1
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)
       => bacteria, bacterium -- ((microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants)