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rhizobium

[rahy-zoh-bee-uh m] /raɪˈzoʊ bi əm/
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.
Origin of rhizobium
< New Latin (1889), equivalent to rhizo- rhizo- + Greek bí(os) life (see bio-) + Latin -um noun suffix
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Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for rhizobium

rhizobium

/raɪˈzəʊbɪəm/
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
Word Origin
C20: from rhizo- + Greek bios life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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