Definition of heliozoan
: any of a class (Heliozoa) of free-living spherical usually freshwater protozoans that reproduce by binary fission or budding
Origin of heliozoan
New Latin Heliozoa, from 1heli- + -zoa
First Known Use: circa 1889
Learn More about heliozoan
Britannica.com: Encyclopedia article about "heliozoan"
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