thiospirillum

noun
thio·​spirillum | \ ¦thīō+\

Definition of thiospirillum

1 capitalized : a genus of spiral purple sulfur bacteria (family Thiorhodaceae) motile by means of polar flagella and common in mud and stagnant water
2 plural thiospirilla : any bacterium of the genus Thiospirillum

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History and Etymology for thiospirillum

New Latin, from thi- + Spirillum

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