diatomaceous earth

Definition of diatomaceous earth

di`a`to`ma´ceous earth`
1.(Geol.) a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called infusorial earth, kieselguhr, and diatomite. It is used in polishing powder, and in the manufacture of dynamite.

Related Words

diatomite, earth, filter, ground, kieselguhr
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-diatomaceous earth-
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