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rhizobium

American  
[rahy-zoh-bee-uhm] / raɪˈzoʊ bi əm /

noun

Bacteriology.

plural

rhizobia

  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 British  
/ 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

Etymology

Origin of rhizobium

< New Latin (1889), equivalent to rhizo- rhizo- + Greek bí ( os ) life ( see bio-) + Latin -um noun suffix

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.