ˌhēlēəˈzōə noun plural
Usage: capitalized
Etymology: New Latin, from heli- (I) + -zoa
: 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
• he·lio·zo·an |hēlēə|zōən adjective or noun
• he·lio·zo·ic -ōik adjective