talc
IPA: tˈæɫk
noun
- (obsolete) Originally a large range of transparent or glistening foliated minerals. Examples include mica, selenite and the hydrated magnesium silicate that the term talc generally has referred to in modern times (see below). Also an item made of such a mineral and depending for its function on the special nature of the mineral (see next). Mediaeval writers adopted the term from the Arabic.
- (obsolete) A microscope slide made of a plate of mica, generally in use from the start of modern microscopy until the early nineteenth century, after which glass slides became the standard medium.
- A soft mineral, composed of hydrated magnesium silicate, that has a soapy feel and a greenish, whitish, or grayish color, and usually occurs in foliated masses.
- Talcum powder.
verb
- (transitive) To apply talc to.
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Examples of "talc" in Sentences
- Fireproof clothing and dissolved talc.
- A nearby plant processes talc and dolomite.
- Talc is sometimes contaminated with asbestos.
- A silicon talc sealing material is disclosed.
- Powdered talc can help the seals slide on easier.
- Talc is a mineral and therefore a 'natural' ingredient.
- Examples include fumed silica, talc, and magnesium carbonate.
- Soapstone is a metamorphic rock composed predominantly of talc.
- It occurs in chlorite and talc schist in the Urals and Switzerland.
- Polyethylene or polypropylene resins with talc or kaolin fillers are preferred.
- The name talc is thought to be derived from the Arabic word talg or talk meaning mica since talc forms mica-like flakes.
- 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.
- 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.
- _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.
- _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.
- 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.