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单词 radiolaria
释义

Definition of radiolaria in English:

radiolaria

plural nounˌreɪdɪə(ʊ)ˈlɛːrɪəˌrādēəˈlerēə
Zoology
  • Radiolarians collectively.

    〔动〕 总称放射虫纲

    Example sentencesExamples
    • 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.
    • The Nun Mine Member consists of thin-bedded calcareous mudstones locally with abundant radiolaria, and represents offshore, basinal environments.
    • The importance of both stems from the fact that radiolaria and planktonic foraminifera live at or near the ocean surface and their shells incorporate a record of surface-water conditions as they grow.

Origin

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

Definition of radiolaria in US English:

radiolaria

plural nounˌrādēəˈlerēə
Zoology
  • Radiolarians collectively.

    〔动〕 总称放射虫纲

    Example sentencesExamples
    • As in other radiolaria, Acantharea have a gelatinous ectoplasm filled with vacuoles, separated from the inner cell mass by a fibrous capsular wall.
    • The Nun Mine Member consists of thin-bedded calcareous mudstones locally with abundant radiolaria, and represents offshore, basinal environments.
    • The marine biostratigraphy is based upon microfaunas and floras, notably planktonic foraminifera and radiolaria.
    • The importance of both stems from the fact that radiolaria and planktonic foraminifera live at or near the ocean surface and their shells incorporate a record of surface-water conditions as they grow.
    • Fewer than 250,000 fossils - most are ‘large microbes,’: foraminifera, radiolaria, coccolithophores or diatoms - are named in the paleontological literature.

Origin

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

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更新时间:2025/6/18 23:11:37