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rhizobium

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noun rhi·zo·bi·um \rī-ˈzō-bē-əm\

Definition of rhizobium

plural

-bia

\-bē-ə\
  1. :  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 \-bē-əl\ adjective


Origin and Etymology of rhizobium

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


First Known Use: 1921


Medical Dictionary

rhizobium

play
noun rhi·zo·bi·um \rī-ˈzō-bē-əm\

Medical Definition of rhizobium

  1. 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. 2plural rhizobia \-bē-ə\play :  any bacterium of the genus Rhizobium




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