talcum powder definition

  • The Mineral Talc: Uses, Properties, Photos - Geology

    Although talcum powder and soapstone are two of the more visible uses of talc, they account for a very small fraction of talc consumption. Its hidden uses are far more common. Talc's unique properties make it an important ingredient for making ceramics, paint, paper, roofing materials, plastics, rubber, insecticides, and many other products.

  • TALC - What does TALC stand for? The Free Dictionary

    This powder may consist of only talc and fragrance, as many of them are. Trimouns, the largest talc occurrence in France, possesses estimated reserves of 16 million tonnes, sufficient for half a century.

  • Talcum (powder) dictionary definition | talcum (powder ...

    talcum (powder) definition: a powder for the body and face made of powdered, purified talc, usually perfumedOrigin of talcum (powder)Medieval Latin from Arabic ?alq, talc...

  • The Mineral Talc: Uses, Properties, Photos - Geology

    Talc is usually green, white, gray, brown, or colorless. It is a translucent mineral with a pearly luster. It is the softest known mineral and is assigned a hardness of 1 on the Mohs Hardness scale. Talc is a monoclinic mineral with a sheet structure similar to the micas. Talc has perfect cleavage that follows planes between the weakly bonded sheets.

  • Talcum powder poisoning: MedlinePlus Medical Encyclopedia

    Talcum powder is a powder made from a mineral called talc. Talcum powder poisoning may occur when someone breathes in or swallows talcum powder. This can be by accident or on purpose. This article is for information only. DO NOT use it to treat or manage an actual poison exposure.

  • Talcum powder definition and meaning | Collins English ...

    uncountable noun. Talcum powder is fine powder with a pleasant smell which people put on their bodies after they have had a bath or a shower.

  • Pleurodesis - Wikipedia

    Chemical. Chemicals such as bleomycin, tetracycline (e.g., minocycline ), povidone-iodine, or a slurry of talc can be introduced into the pleural space through a chest drain. The instilled chemicals cause irritation between the parietal and the visceral layers of the pleura which closes off the space between them...

  • Talcum powder | definition of talcum powder by Medical ...

    [talk] a native hydrous magnesium silicate, sometimes with a small amount of aluminum silicate; used as a dusting powder. The inhalation of talc is associated with a wide variety of respiratory disorders.

  • Talc | definition of talc by Medical dictionary

    Talc is a mineral, produced by the mining of talc rocks and then processed by crushing, drying and milling. Talc shrinks lung tumours say US scientists The appearance fits with a form of silicate pneumoconiosis, most likely of the type due to talc, although mica and kaolin can .

  • Talc | Definition of Talc by Merriam-Webster

    Definition of talc. 1 : a very soft mineral that is a basic silicate of magnesium, has a soapy feel, and is used especially in making talcum powder. 2 : talcum powder. —.

  • Definition of Pleurodesis

    Medical Definition of Pleurodesis. Pleurodesis: A procedure that causes the membranes around the lungs to stick together and prevents the buildup of fluid in the space between the membranes (pleural space). Pleurodesis is done in cases of severe recurrent pleural effusions (outpourings of fluid around the lungs) to prevent the reaccumulation...

  • Talc - Wikipedia