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单词 diatomite
释义

Definition of diatomite in English:

diatomite

noun dʌɪˈatəmʌɪtdaɪˈædəˌmaɪt
mass nounGeology
  • A fine-grained sedimentary rock formed from consolidated diatomaceous earth.

    Example sentencesExamples
    • After the plasma was treated in a water bath at 60 [degrees] C for 30 min, the lipid extraction was done with Hydromatrix, a diatomite, in isopropanol and n-hexane.
    • Diatoms have an extensive fossil record going back to the Cretaceous; some rocks are formed almost entirely of fossil diatoms, and are known as diatomite or diatomaceous earth.
    • The richest sources of diatom fossils are deposits of their skeletons known as diatomite, or diatomaceous earth.
    • By this time, both groups were abundant and diversified globally, so much so that diatomite is a common marine sediment of the Miocene.
    • As diatoms collect on the ocean floor and are buried deeper and deeper, they are compressed and changed from a form known as diatomite, which is used in swimming pool filters, to opal.

Origin

Late 19th century: from diatom + -ite1.

 
 

Definition of diatomite in US English:

diatomite

noundīˈadəˌmītdaɪˈædəˌmaɪt
Geology
  • A fine-grained sedimentary rock formed from consolidated diatomaceous earth.

    Example sentencesExamples
    • The richest sources of diatom fossils are deposits of their skeletons known as diatomite, or diatomaceous earth.
    • By this time, both groups were abundant and diversified globally, so much so that diatomite is a common marine sediment of the Miocene.
    • After the plasma was treated in a water bath at 60 [degrees] C for 30 min, the lipid extraction was done with Hydromatrix, a diatomite, in isopropanol and n-hexane.
    • As diatoms collect on the ocean floor and are buried deeper and deeper, they are compressed and changed from a form known as diatomite, which is used in swimming pool filters, to opal.
    • Diatoms have an extensive fossil record going back to the Cretaceous; some rocks are formed almost entirely of fossil diatoms, and are known as diatomite or diatomaceous earth.

Origin

Late 19th century: from diatom + -ite.

 
 
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更新时间:2024/11/11 0:56:07