Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A fine-grained white, greenish, or gray mineral, Mg3Si4O10(OH)2, having a soft soapy feel and used in talcum and face powder, as a paper coating, and as a filler for paint and plastics.
  • transitive v. To apply this substance to (a photographic plate, for example).

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses.
  • v. To apply talc

from the GNU version of the Collaborative International Dictionary of English

  • n. A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety.

from The Century Dictionary and Cyclopedia

  • To treat, or rub with talc: as, in photography, to talc a plate to which it is desired to prevent the adherence of a film.
  • n. A magnesian silicate, usually consisting of broad, flat, smooth laminæ or plates, unctuous to the touch, of a shining luster, translucent, and often transparent when in very thin plates.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
  • v. apply talcum powder to (one's body)

Etymologies

French, from Medieval Latin talcum and Old Spanish talco, both from Arabic ṭalq, from Persian talk.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French talc, from Arabic طلق (ṭalq), from Persian تلک (talk). (Wiktionary)

Examples

  • You refer to brown, blue and white asbestos, as well as talc, and refer approvingly of Christopher Booker�s assertion that white asbestos is �is to all intents and purposes indistinguishable from talc� because they are both hydrated magnesium silicates with very similar formulae.

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  • The name talc is thought to be derived from the Arabic word talg or talk meaning mica since talc forms mica-like flakes.

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  • _French chalk_: A variety of the mineral called talc, unctuous to the touch, of greenish color, glossy, soft, and easily scratched, and leaving a silvery line when drawn on paper.

    American Woman's Home

  • _French chalk_, a variety of the mineral called talc, unctuous to the touch, of a greenish color, glossy, soft, and easily scratched, and leaving a silvery line, when drawn on paper.

    A Treatise on Domestic Economy For the Use of Young Ladies at Home and at School

  • As a consumer who tries to choose all natural products, I was always a bit put off by Avons powders because they used to contain talc, which is a red flag in some peoples book.

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  • It allows the introduction of substances such as talc to obliterate the pleural space called pleurodesis, which prevents more fluid from accumulating and pressing on the lung.

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  • - Changing the clay body, which means reducing the amount of slippery substances such as talc, or changing the type of talc from

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  • I found the inner wall to consist of a kind of talc, mingled with threads of asbestos, and also indications of mica.

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  • The company may be able to unload $1.5 billion to $4.0 billion in assets, such as talc, borates and coal, in the first half of this year, he predicted.

    Forbes.com: News

  • It allows the introduction of substances such as talc, to the space Pleurafibrose, which prevents more than the accumulation of fluid and pressure on the lungs.

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