noun, plural rhi·zo·bi·a [rahy-zoh-bee-uh] /raɪˈzoʊ bi ə/. Bacteriology.
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for rhizobium
The technical name of these bacteria is Rhizobium leguminosarum.The Fundamentals of Bacteriology|Charles Bradfield Morrey
noun plural -bia (-bɪə)
Word Origin for rhizobium
C20: from rhizo- + Greek bios life
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