heliozoan

noun

he·lio·zo·an | \ ˌhē-lē-ə-ˈzō-ən

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Definition of heliozoan

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

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heliotypography

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The first known use of heliozoan was circa 1889

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