Noun: radiolarian ,rey-dee-ow'leh-ree-un
- A marine protozoan with an amoeba-like body, radiating filamentous pseudopods, and typically an intricate mineral skeleton
"Radiolarians form intricate mineral skeletons that can be found in marine sediments"
Derived forms: radiolarians
Type of: actinopod
Part of: order Radiolaria, Radiolaria
Encyclopedia: Radiolarian