diatomaceous earth

Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.

diatomaceous earth:

see diatomdiatom
, unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although some join to form colonies.
..... Click the link for more information. .

diatomaceous earth

[¦dī·ə·tə¦mā·shəs ′ərth]

(geology)

A yellow, white, or light-gray, siliceous, porous deposit made of the opaline shells of diatoms; used as a filter aid, paint filler, adsorbent, abrasive, and thermal insulator. Also known as kieselguhr; tripolite.

diatomite, diatomaceous earth, kieselguhr

A white or light gray, chalky, natural siliceous material; obtained by mining deposits of fossil remains of small marine life; used as an extender in paints, as an aggregate in lightweight concrete, as a waterproofing material in portland cement, as a filter for water, and as an abrasive.

References in periodicals archive ?

Diatomaceous earth can be vermicomposted, even soaked in biofuel oil, in quantities of up to 30.

Chemical characterization of vermicompost of sewage sludge with different proportions of diatomaceous material

anisopliae in the presence of diatomaceous earth can be used effectively in the integrated management programs of S.

Eficacia de Metarhizium anisopliae combinado con tierra de diatomeas contra Sitophilus oryzae (Coleoptera: Curculionidae) en condiciones de laboratorio

Punctured fruit and total damage were 3-fold greater in untreated fruit compared to fruit treated with either diatomaceous earth, kaolin clay, or Requiem ([[chi].

Organic treatments for control of pepper weevil (Coleoptera: Curculionidae)

1] (5% neem oil)] (Fertirico, Curitiba, PR, Brazil); diatomaceous earth (DE) (KeepDry[R]) (Vet Quimica, Campinas, SP, Brazil) (1g [kg.

Control of the Mexican bean weevil Zabrotes subfasciatus with kaolin/Controle do caruncho-do-feijao Zabrotes subfasciatus com caulim

In the current study Protect-It[TM] (Hedley Technologies Inc, USA), and inert dust formulation containing 90% diatomaceous earth (DE) and 10% silica gel was tested for effectiveness to control T.

Control of Tribolium confusum J. Du Val by diatomaceous earth (Protect-It[TM]) on stored groundnut (arachis hypogaea) and Aspergillus flavus link spore dispersal

The average calculated heat transfer for diatomaceous earth was--2.

Controlling heat transfer with refractory coating

It uses a diatomaceous earth filter, which is changed weekly.

Cryptosporidiosis outbreak in a recreational swimming pool in minnesota

Buffalo Grove, IL), hereafter referred to as zeolite, diatomaceous earth, vitrified clay, and calcined clay, respectively.

Physical properties of three sand size classes amended with inorganic materials or sphagnum peat moss for putting green rootzones

LATE 1950s Employing technology used in WWII, diatomaceous earth (DE) is introduced as a filter medium.

The History of Aquatics: 1956-1960

per hour, AccuFeed is said to be accurate to [+ or -] 1 to 2 percent in feeding material such as lime, activated carbon, alum, diatomaceous earth, and other treatment chemicals.

Volumetric feeder. (New Products)

MAX-ACT reagent tubes offer a more heparin-specific and reproducible alternative for activated clotting time (ACT) testing than traditional single-activator tubes that use diatomaceous earth, kaolin, glass beads, or silica with varying results.

ACT testing tubes. (Product Watch)

Coated with diatomaceous earth, which is self-drying, the kernels become tiny, easily applied granules.