What does "radiolaria" mean?

The members of the taxonomic subclass Radiolaria; radiolarians.

How do you pronounce "radiolaria"?

Pronounced //ˌɹeɪ.di.ə(ʊ)ˈlɛəɹi.ə//.

Common synonyms include: protozoan, radiolarian, radiolarian shell, siliceous skeleton, siliceous test.

/ˌɹeɪ.di.ə(ʊ)ˈlɛəɹi.ə/ noun

noun ·Rare ·Advanced level

Noun

1
The members of the taxonomic subclass Radiolaria; radiolarians. plural, plural-only
"Radiolaria, which are single-celled plankton, are abundant in all regions of the world ocean and older than multicellular life."

"Radiolaria, which are single-celled plankton, are abundant in all regions of the world ocean and older than multicellular life."

From subclass name Radiolaria.