plural noun
He·​lio·​zoa | \ ˌhēlēəˈzōə \

Definition of Heliozoa

: an order of Actinopoda consisting of free-living holozoic usually freshwater protozoans that reproduce by binary fission or budding and comprise the sun animalcules — see actinophrys, actinopoda, actinosphaerium

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Other Words from Heliozoa

heliozoan \ ¦hēlēə¦zōən How to pronounce Heliozoa (audio) \ adjective or noun
heliozoic \ -​ōik \ adjective

First Known Use of Heliozoa

circa 1889, in the meaning defined above

History and Etymology for Heliozoa

New Latin, from heli- entry 1 + -zoa

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The first known use of Heliozoa was circa 1889

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Cite this Entry

“Heliozoa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Heliozoa. Accessed 22 Oct. 2021.

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