Dictionary

radiolaria

noun plural ra·di·o·lar·ia \ˌrā-dē-ō-ˈler-ē-ə\

Definition of RADIOLARIA

:  protozoans that are radiolarians

Origin of RADIOLARIA

New Latin, from Late Latin radiolus small sunbeam, from diminutive of Latin radius ray — more at ray
First Known Use: 1872

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