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talc 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/talk/,
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Talcum powder,
  1. Powder or treat (something) with talc

Noun
  1. Talcum powder

  2. A white, gray, or pale green soft mineral with a greasy feel, occurring as translucent masses or laminae and consisting of magnesium hydroxyl silicate

  1. a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
  2. apply talcum powder to (one's body)
  3. Talc (derived from the Persian talc (تالک) via Arabic talk (تلك)) is a mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4 or Mg3Si4O10(OH)2. In loose form, it is the widely-used substance known as talcum powder. ...
  4. The Transportation and Land Use Coalition (TALC) is a non-profit organization which serves as a partnership of over 100 organizations in the San Francisco Bay Area focused on smart growth, public transportation, environmental causes, and other issues connected with transit and urban planning. ...
  5. A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses
  6. Directly causes cancer. It has been shown that both inhaling talc and using it in the genital area can cause ovarian cancer.  The Talc used by Living Nature Cosmetics is only used in pressed products and is certified asbestos free.
  7. A mixture of magnesium metasilicilate (Mg3H2(SiO4)3) with magnesium silicate (Mg3Si4O11 ^. H2O).
  8. Mg3Si4O10. A product of the hydrothermal alteration of olivine and pyroxene.
  9. A soft, slippery mineral composed of hydrated magnesium silicate. Sometimes used as a filler for casting materials. (Conservation & Art Material Encyclopedia Online)
  10. Powder lubricant to prevent sticking between tube and tire. A soft mineral; a basic magnesium silicate usually occurring in foliated, granular, or fibrous masses, used in the manufacture of electrical insulators
  11. A white, grey, brown, or pale green mineral, found in metamorphic rocks. It is used in the manufacture of talcum powder and electrical insulators.
  12. A mineral usually used in a powdered form. In cancer treatment, sterile talc is used to prevent pleural effusions (an abnormal collection of fluid in the space between the lungs and the chest wall). Talc is inserted into the space, causing it to close up, so fluid cannot collect there. ...
  13. A 1:2 Mg phyllosilicate, Mg3Si4O10(OH)2, best known for its extreme lark of hardness; crystals are rarely seen. The is little variation in the composition. Small amounts of Al^3+ may replace S^4+ and Fe^2+ or Mn^2+ may replace Mg^2+. ...
  14. A soft mineral, magnesium silicate, used as a powder to absorb excess moisture.
  15. a hydrated magnesium silicate used to reduce gloss and give velvet finish in ink formulations.
  16. A natural hydrous magnesium silicate, used frequently as a filler such as steatite, talcum, mineral graphite.
  17. This is a mineral produced by the mining of talc rocks which are processed by crushing, drying and milling. Processing eliminates a number of trace minerals from the talc, but does not separate its minute fibres, which are structurally very similar to asbestos. ...
  18. Function: Absorbs moisture, anti-caking agent, bulking agent. Present in: Blush, powder, eye shadow, baby powder, deodorant. ...
  19. A kind of soft, unctuous stone; one of the constituents of Marble.
  20. This is used in powders and as a filler in pharmaceutical tablets. Can be toxic if inhaled, and it can cause acute respiratory distress. In one study it was found to increase the chances of developing ovarian cancer.
  21. Used especially as baby powder and in deodorant and antiperspirant products. Long term use can produce the same effects as long term exposure to asbestos. It is mined from the same place as asbestos. It is a carcinogen. It irritates the respiratory system, especially in infants. ...
  22. A magnesium silicate with a soft, platy crystal structure. Talc acts a sa filler and flux a t earthenware temperatures, and as an auxilliary flux around cone6. It is a strong and abrupt flux in the high stoneware range.
  23. Another name for Steatite; when ground down it is made into talcum powder. See: Steatite
  24. A substance that occurs naturally and used in baby powders and creams. It is an irritant to the respiratory system and cornstarch or baking soda is a better choice.
  25. A naturally-occurring mineral, talc absorbs moisture and softens products.