First Known Use: 1921
Dictionary
rhizobium
noun rhi·zo·bi·um \rī-ˈzō-bē-əm\
plural -bia \-bē-ə\
Definition of RHIZOBIUM
: 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
— rhi·zo·bi·al \-bē-əl\ adjective
ADVERTISEMENT
Origin of RHIZOBIUM
New Latin, from rhiz- + Greek bios life — more at quick
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 \-bē-ə\ : any bacterium of the genus Rhizobium
Browse
Next Word in the Dictionary: rhizocalinePrevious Word in the Dictionary: RhizobiaceaeAll Words Near: rhizobium
ADVERTISEMENT
Seen & Heard
What made you want to look up rhizobium? Please tell us where you read or heard it (including the quote, if possible).