太たい陽よう虫ちゅう

noun

heliozoan

A type of amoeboid protozoan with stiff, radiating pseudopods; used in biology and microscopy contexts.

• 池いけの水みずを顕けん微び鏡きょうで見みると、太たい陽よう虫ちゅうがゆっくり動うごいていた。

  When I looked at the pond water under a microscope, a heliozoan was moving slowly.