rhizobium

noun rhi·zo·bi·um \ rī-ˈzō-bē-əm \

Definition of rhizobium

plural rhizobia play \rī-ˈzō-bē-ə\
: 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

rhizobial

play \rī-ˈzō-bē-əl\ adjective

Origin and Etymology of rhizobium

New Latin, from rhiz- + Greek bios life — more at 1quick


Medical Dictionary

rhizobium

noun rhi·zo·bi·um \ rī-ˈzō-bē-əm \

medical Definition of rhizobium

1 capitalized : a genus (family Rhizobiaceae) of small heterotrophic soil bacteria capable of forming symbiotic nodules on the roots of leguminous plants where they fix atmospheric nitrogen
2 plural -bia play \-bē-ə\ : any bacterium of the genus Rhizobium

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