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rhizobium

[ rahy-zoh-bee-uhm ]

noun

, Bacteriology.
, plural rhi·zo·bi·a [rahy-, zoh, -bee-, uh].
  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.


rhizobium

/ raɪˈzəʊbɪəm /

noun

  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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of rhizobium1

< New Latin (1889), equivalent to rhizo- rhizo- + Greek ( os ) life ( bio- ) + Latin -um noun suffix
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Word History and Origins

Origin of rhizobium1

C20: from rhizo- + Greek bios life
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Example Sentences

The rhizobia return the favor by converting nitrogen in the atmosphere into ammonia that is used by the plant.

The technical name of these bacteria is Rhizobium leguminosarum.

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rhizo-rhizocarpous