Rhodospirillum

noun
Rho·do·spirillum | \¦rō(ˌ) dō+\

Definition of Rhodospirillum 

: a genus of spiral actively motile bacteria (family Athiorhodaceae) that live in mud and stagnant water and are held to fix atmospheric nitrogen

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History and Etymology for Rhodospirillum

New Latin, from rhod- + Spirillum

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