noun
: a protozoan of the order Heliozoa ; especially : a large freshwater protozoan ( Actinophrys sol ) with numerous flexible radiating axopodia
noun
: a protozoan of the order Heliozoa ; especially : a large freshwater protozoan ( Actinophrys sol ) with numerous flexible radiating axopodia
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012