[rhi.zo.bi.um] n, pl -bia [NL, fr. rhiz- + Gk bios life--more at quick] (1921): any of a genus (Rhizobium) of small heterotrophic soil bacteria capable of forming symbiotic nodules on the roots of leguminous plants and of there becoming bacteroids that fix atmospheric nitrogen -- rhi.zo.bi.al adj
RHIZOBIUM
Meaning of RHIZOBIUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012