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单词 diatomite
释义
diatomite

Chemistry
  • See kieselguhr.


Geology and Earth Sciences
  • Diatom-rich sediment, which has been laid down in a lacustrine or deep-sea environment. The diatom cell wall is made from silica, therefore the sediment is siliceous. See also bacillariophyceae; diatomaceous earth; radiolarian earth.


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