Rhizobium
noun, plural rhizobia
[rahy-zoh-bee-uh] /raɪˈzoʊ bi ə/ (Show IPA). Bacteriology.
1.
any of several rod-shaped bacteria of the genus Rhizobium, found as symbiotic nitrogen fixers in nodules on the roots of the bean, clover, etc.
noun (pl) -bia (-bɪə)
1.
any rod-shaped bacterium of the genus Rhizobium, typically occurring in the root nodules of leguminous plants and able to fix atmospheric nitrogen See also nitrogen fixation
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