radiolaria

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

Definition of radiolaria

  1. :  protozoans that are radiolarians

Origin and Etymology of radiolaria

New Latin, from Late Latin radiolus small sunbeam, from diminutive of Latin radius ray — more at ray


First Known Use: 1868


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a trip made at another's expense

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