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Spirostomum

noun
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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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History and Etymology for Spirostomum

New Latin, from spir- + -stomum

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“Spirostomum.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Spirostomum. Accessed 25 January 2020.

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