Share this entry

Share this page

radiolaria

Line breaks: radio|laria
Pronunciation: /ˌreɪdɪə(ʊ)ˈlɛːrɪə
 
/

Definition of radiolaria in English:

plural noun

Zoology
Radiolarians collectively.
Example sentences
  • Fewer than 250,000 fossils - most are ‘large microbes,’: foraminifera, radiolaria, coccolithophores or diatoms - are named in the paleontological literature.
  • As in other radiolaria, Acantharea have a gelatinous ectoplasm filled with vacuoles, separated from the inner cell mass by a fibrous capsular wall.
  • The marine biostratigraphy is based upon microfaunas and floras, notably planktonic foraminifera and radiolaria.

Origin

late 19th century: modern Latin (former order name), from late Latin radiolus 'faint ray', diminutive of radius 'ray'.

Definition of radiolaria in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tenebrous
Pronunciation: ˈtɛnɪbrəs
adjective
dark; shadowy or obscure