diatomite

noun
di·​at·​o·​mite | \dī-ˈa-tə-ˌmīt \

Definition of diatomite 

First Known Use of diatomite

1887, in the meaning defined above

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The first known use of diatomite was in 1887

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diatomite

noun
di·​at·​o·​mite | \dī-ˈat-ə-ˌmīt \

Medical Definition of diatomite 

: a light friable siliceous material derived chiefly from diatom remains and used especially as a filter

called also diatomaceous earth

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Britannica.com: Encyclopedia article about diatomite

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