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Pronunciation varies by accent · noun
Any of various aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing a tuft of flagella..
Use spirillum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Spirillum means Any of various aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing a tuft of flagella..
Common synonyms include spirilla.
The opposite depends on the specific sense.
Use spirillum where its definition matches the intended context.
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