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noun he·lio·zo·an \ˌhē-lē-ə-ˈzō-ən\

Definition of heliozoan

  1. :  any of a class (Heliozoa) of free-living spherical usually freshwater protozoans that reproduce by binary fission or budding

Origin and Etymology of heliozoan

New Latin Heliozoa, from 1heli- + -zoa

First Known Use: circa 1889

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