kaolin

kaolin
Hydrated aluminum silicate; when powdered and freed from gritty particles by elution, k. is used as a demulcent and adsorbent; in dentistry, it is used to add toughness and opacity to porcelain teeth. SYN: aluminum silicate. [Ch. kao lin, High Ridge, name of a locality in China where the substance is found in abundance]

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ka·olin 'kā-ə-lən n a fine usu. white clay that is used in ceramics and refractories, as a filler or extender, and in medicine esp. as an adsorbent in the treatment of diarrhea (as in food poisoning or dysentery)

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n.
a white clay that contains aluminium and silicon and is purified and powdered for use as an adsorbent. It is taken by mouth to treat chronic diarrhoea. Kaolin is also used in dusting powders and poultices.

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ka·o·lin (kaґo-lin) [Kao-Ling or Gao-Ling, city in southeastern China where it was first found] a type of hydrated aluminum silicate, found in the form of clay and purified to form the medicinal product. [USP] kaolin that has been purified and pulverized to form a white or light yellow powder with a claylike taste, used as an adsorbent and in the treatment of diarrhea, often in combination with pectin.

Medical dictionary. 2011.

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  • Kaolin — Kaolin, auch als Porzellanerde, Porzellanton, weiße Tonerde, Aluminiumsilikat oder in der Apotheke als Bolus Alba oder Pfeifenerde bezeichnet, ist ein feines, eisenfreies, weißes Gestein, das als Hauptbestandteil Kaolinit, ein… …   Deutsch Wikipedia

  • kaolin — [ kaɔlɛ̃ ] n. m. • 1739; kao lin 1712; chin. kaoling, proprt « colline élevée », n. du lieu où l on extrayait le kaolin ♦ Silicate d alumine pur, provenant de l altération ( oukaolinisationn. f.) des feldspaths, des granits, argile réfractaire… …   Encyclopédie Universelle

  • Kaolin — (Kaolinit, Porzellanerde, Argillit, China clay) H2Al2Si2O9, reinster Ton, kristallisiert nach Miers monoklin, nach Reusch triklin in sehr kleinen durchsichtigen sechsseitigen Täfelchen oder Blättchen, ähnlich dem Glimmer. Die Blättchen spalten… …   Lexikon der gesamten Technik

  • kaolin — china clay, 1727, from Fr. kaolin (1712), from Chinese Kao ling, transliteration of the name of a mountain in Jiangxi, China (near which it was originally dug up), from Chinese gao high + ling mountain, hill …   Etymology dictionary

  • Kaolin — Ka o*lin, Kaoline Ka o*line, n. [Chin. kao ling.] (Min.) A very pure white clay, ordinarily in the form of an impalpable powder, and used to form the paste of porcelain; China clay; porcelain clay. It is chiefly derived from the decomposition of… …   The Collaborative International Dictionary of English

  • Kaolin — (Mineral), so v.w. Caolin …   Pierer's Universal-Lexikon

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