radiolaria

plural noun
ra·​di·​o·​lar·​ia | \ ˌrā-dē-ō-ˈler-ē-ə How to pronounce radiolaria (audio) \

Definition of radiolaria

: protozoans that are radiolarians

First Known Use of radiolaria

1868, in the meaning defined above

History and Etymology for radiolaria

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

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Time Traveler for radiolaria

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The first known use of radiolaria was in 1868

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Dictionary Entries Near radiolaria

radiolabel

radiolaria

radiolarian

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Cite this Entry

“Radiolaria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiolaria. Accessed 22 Jan. 2022.

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