名詞 radiolarian:

1. protozoa with amoeba-like bodies and radiating filamentous pseudopods

ra.di.o.lar.i.an

n.（名詞）
Any of various marine protozoans of the order Radiolaria, having rigid siliceous skeletons and spicules.
放射蟲：一種放射蟲目的海生原生動物，骨骼和針骨為硅質(zhì)

來源：
From New Latin Radiol3ria [order name]
源自 現(xiàn)代拉丁語 Radiol3ria [目名]
from Late Latin radiolus [diminutive of] radius [ray]
源自 后期拉丁語 radiolus [] radius的小后綴 [射線]