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Noun: diatomaceous earth  ,dI-u-tu'mey-shus urth
  1. A light soil consisting of siliceous diatom remains and often used as a filtering material
    - diatomite, kieselguhr

Derived forms: diatomaceous earths

Type of: earth, filter, ground

Encyclopedia: Diatomaceous earth

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diathesis
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diatomic
diatomite
Diatomophyceae
diatonic
diatonic scale
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Diaz
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diazo