noun Spi·ros·to·mum \spīˈrästəməm\

Definition of Spirostomum

  1. :  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

Seen and Heard

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to criticize severely

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