rhizobium
nounHow to pronounce rhizobium:
Definition of rhizobium:
- rhizobium (noun):
- noun. the type genus of Rhizobiaceae; usually occur in the root nodules of legumes; can fix atmospheric oxygen.
- any of a genus (rhizobium) of small heterotrophic soil bacteria capable of forming symbiotic nodules on the roots of leguminous plants and of there becoming bacteroids that fix atmospheric nitrogen
Other 4-syllable words like rhizobium
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