spīˈrästəməm noun
Usage: capitalized
Etymology: New Latin, from spir- + -stomum
: a genus (the type of the family Spirostomidae) of large cylindrical elongated heterotrichous ciliates widely distributed in fresh and salt water
spīˈrästəməm noun
Usage: capitalized
Etymology: New Latin, from spir- + -stomum
: a genus (the type of the family Spirostomidae) of large cylindrical elongated heterotrichous ciliates widely distributed in fresh and salt water
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012