diatomaceous earth


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diatomaceous earth

n.
A light-colored porous rock composed of the shells of diatoms.

diatomaceous earth

n
1. (Geological Science) an unconsolidated form of diatomite. Also called: kieselguhr
2. (Minerals) an unconsolidated form of diatomite. Also called: kieselguhr

di′atoma′ceous earth′


n.
a fine siliceous earth composed chiefly of the cell walls of diatoms and used in filtration. Also called di•at•o•mite (daɪˈæt əˌmaɪt)
[1880–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diatomaceous earth - a light soil consisting of siliceous diatom remains and often used as a filtering materialdiatomaceous earth - a light soil consisting of siliceous diatom remains and often used as a filtering material
filter - device that removes something from whatever passes through it
earth, ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"
References in periodicals archive ?
Field trials of the combined diatomaceous earth and heat treatment have been conducted in cereal processing plants in Peterborough, Ontario, and Manhattan, Kansas.
Dust: Dusts are usually made by diluting the toxicant with finely ground plant materials, such as tobacco leaves, soyabeans and walnut shell flours, or with minerals, such as tale (hydrated magnesium or aluminium silicates), clays, diatomaceous earth, gypsum (hydrated calcium sulphate), Pyrophyllites, calcium carbonates, hydrated lime (Ca(oH2) and silicon dioxides.
This article details a study to determine the affect of two refractories, diatomaceous earth and graphite, on thermal heat transfer.
It uses a diatomaceous earth filter, which is changed weekly.
The temporary tube is removed to reveal the top of the tensiometer, and a 100-mm layer of diatomaceous earth is packed on top of the bentonite in contact with the top of the tensiometer to form the sensing tip (9).
Filter Company that conducted some of the filtration tests, believes without filtration by a diatomaceous earth filter, the city's water supply will always be in danger of contamination from wildlife as well as the cryptosporidium.
He handpicks snails; diatomaceous earth serves as a snail and sowbug barrier around lettuce.
Tenders are invited for Diatomaceous Earth Non-Washed
Use a pump sprayer and spray all parts of the plant, then sprinkle diatomaceous earth under the plants.
Specially designed for cGMP processing, Sartoclear Dynamics consists of prefilled single-use bags containing ultrapure diatomaceous earth (DE) in a choice of 0.
The toothpastes that will be available stateside include White Glo Professional Choice Extra Strength Whitening Toothpaste; White Glo Coffee & Tea Drinkers Formula, which uses micro-polishing particles as well as a micro-wax protective shield to help prevent future stains; White Glo Smokers Formula, a fluoride-enriched product with all-natural diatomaceous earth and micro-polishing particles designed to remove tobacco stains and smokers breath; and White Glo 2-in-l Mouthwash, a double strength whitening toothpaste with a mouthwash base to help fight bad breath.
Diatomaceous earth, more commonly known as food grade, is the third pest control tip that gardeners should try.