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rhizobium

(rī zō′bē əm)

any of a genus (Rhizobium) of rod-shaped, nitrogen-fixing bacteria found in nodules on the roots of certain leguminous plants, as the bean and clover

Origin: ModL < rhizo- + Gr bios, life: see bio-

See rhizobium in American Heritage Dictionary 4

noun pl. rhi·zo·bi·a (-bē-ə)

Any of various nitrogen-fixing bacteria of the genus Rhizobium that form nodules on the roots of leguminous plants, such as clover and beans.

Origin:

Origin: New Latin Rhizobium, genus name

Origin: : rhizo-

Origin: + Greek bios, life; see g^wei- in Indo-European roots

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