Rhizobiaceae

plural noun

Rhi·​zo·​bi·​a·​ce·​ae

(ˌ)rīˌzōbēˈāsēˌē

: a small family of rod-shaped or irregular usually flagellated and gram-negative aerobic bacteria (order Rhizobiales) that includes saprophytes, important nitrogen-fixing symbionts of plants, and some plant pathogens see agrobacterium , rhizobium

Word History

Etymology

New Latin, from Rhizobium, type genus + -aceae

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