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diatomaceous earth
noun
- a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc.
diatomaceous earth
noun
- an unconsolidated form of diatomite Also calledkieselguhr
Word History and Origins
Origin of diatomaceous earth1
Example Sentences
We made up a song about diatomaceous earth while we were driving in to the post office today, just because we thought it sounded funny.
Mixed with diatomaceous earth, a fine powder of algae fossils often used by gardeners, the coarse gray stuff makes a decent substitute for the density and texture of Mars’ dirt.
It suggests diatomaceous earth and commercial rust remover, blended to the consistency of peanut butter.
This four-mile formation, composed of clay and diatomaceous earth, has been a conservation priority of the tribe, the Chesapeake Conservancy, the U.S.
Some people also recommend sprinkling a layer of diatomaceous earth on top of soil to kill them.
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