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diatomite

n. 硅藻土

矽藻土

WordNet (r) 3.0 (2006) (WordNet)

diatomite
n 1: a light soil consisting of siliceous diatom remains and
often used as a filtering material [synonym: {diatomaceous
earth}, {diatomite}, {kieselguhr}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Infusorial \In`fu*so"ri*al\, a. (Zool.)
Belonging to the Infusoria; composed of, or containing,
Infusoria; as, infusorial earth.
[1913 Webster]

{Infusorial earth} (Geol.), a deposit of fine, usually white,
siliceous material, composed mainly of the shells of the
microscopic plants called diatoms; also called
{diatomaceous earth}, {kieselguhr}, and {diatomite}. It is
used in polishing powder, and in the manufacture of
dynamite.
[1913 Webster PJC]

diatomaceous earth \di`a*to*ma"ceous earth`\ (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.
[1913 Webster PJC]

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Diatomaceous earth - Wikipedia
Diatomaceous earth ( ˌdaɪ ətəˈmeɪʃəs DY-ə-tə-MAY-shəs), also known as diatomite ( daɪˈætəmaɪt dy-AT-ə-myte), celite, or kieselgur, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder
Diatomite : Properties, Formation, Compositions, Uses - Geology Science
Diatomite is a sedimentary rock that has a biological origin, meaning it is formed from the accumulated remains of microscopic organisms The primary contributors to diatomite formation are diatoms, which are single-celled algae with a unique cell wall made of silica
What Is Diatomite and What Are Its Uses? - ScienceInsights
Diatomite is a soft, siliceous sedimentary rock that forms from the fossilized remains of diatoms, which are single-celled algae These microscopic organisms construct intricate cell walls, called frustules, primarily composed of amorphous silica (hydrated silicon dioxide)
Diatomaceous Earth or Diatomite - Uses, Benefits, and How It Works
Diatomite is found under various soil layers in locations where seas or lakes once existed The high content of organic silicon and calcium in these fossilized diatoms gives diatomite its characteristic white color
Diatomite and Diatomaceous Earth - Geology. com
Diatomite is a friable light-colored sedimentary rock that is mainly composed of the siliceous skeletal remains of diatoms It is a very porous rock with a fine particle size and a low specific gravity
What is Diatomite and How is it Used? - Live to Plant
Diatomite, also known as diatomaceous earth, is a naturally occurring, soft, sedimentary rock that is composed primarily of the fossilized remains of tiny aquatic organisms called diatoms
Diatomaceous earth | Uses, Benefits Safety | Britannica
Under a high-powered microscope the form of the diatoms can be distinguished When well hardened, it is called diatomite Similar siliceous rocks, called radiolarian earth and radiolarite, are formed from the latticelike opaline skeletons of Radiolaria
Exploring Diatomite: The Essential Mineral Found in Everyday Life
What is Diatomite? Diatomite, also known as diatomaceous earth, is a soft, friable, and light-colored sedimentary rock composed mainly of the fossilized remains of diatoms—microscopic, single-celled algae with silica-based cell walls
Diatomite - Essential Minerals Association
Diatomite is the naturally occurring fossilized remains of diatoms, and the mineral is found in thousands of products used every day Its high permeability and porosity, small particle size, low density, and high surface area make diatomite a great material for a wide variety of uses
Diatomite - an overview | ScienceDirect Topics
Diatomite was formerly used as a fireproof packing material between the outer casing and inner compartment of safes If this type of safe is broken open, diatomite may contaminate clothing with a high concentration of diatom valves

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