radiolaria

plural noun

ra·​di·​o·​lar·​ia ˌrā-dē-ō-ˈler-ē-ə How to pronounce radiolaria (audio)
: protozoans that are radiolarians

Word History

Etymology

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

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of radiolaria was in 1868

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 27 Apr. 2024.

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