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Spirostomum
noun
Spi·ros·to·mum
\spīˈrästəməm\
Definition of Spirostomum
: a genus (the type of the family Spirostomidae) of large cylindrical elongated heterotrichous ciliates widely distributed in fresh and salt water
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Origin and Etymology of spirostomum
New Latin, from spir- + -stomum
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