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View synonyms for talc

talc

[ talk ]

noun

  1. Also tal·cum [] a green-to-gray, soft mineral, hydrous magnesium silicate, Mg 3 (Si 4 O 10 )(OH) 2 , unctuous to the touch, and occurring usually in foliated or compact masses, used in making lubricants, talcum powder, electrical insulation, etc.


verb (used with object)

, talcked or talced [talkt], talck·ing or talc·ing [tal, -king].
  1. to treat or rub with talc.

talc

/ tælk /

noun

  1. a white, grey, brown, or pale green mineral, found in metamorphic rocks. It is used in the manufacture of talcum powder and electrical insulators. Composition: hydrated magnesium silicate. Formula: Mg 3 Si 4 O 10 (OH) 2 . Crystal structure: monoclinic
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


verb

  1. tr to apply talc to
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

talc

/ tălk /

  1. A very soft white, greenish, or gray monoclinic mineral usually occurring as massive micalike flakes in igneous or metamorphic rocks. It has a soapy texture and is used in face powder and talcum powder, for coating paper, and as a filler in paints and plastics. Chemical formula: Mg 3 Si 4 O 10 (OH) 2 .


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Derived Forms

  • ˈtalcose, adjective
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Word History and Origins

Origin of talc1

1595–1605; < Medieval Latin talcum < Arabic ṭalq mica < Persian talk
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Word History and Origins

Origin of talc1

C16: from Medieval Latin talcum, from Arabic talq mica, from Persian talk
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Example Sentences

According to Benesh, the FDA doesn’t have the authority to intervene in situations like the talc baby powder case, even when it knows consumers are actively being harmed.

Take, for example, the asbestos found in talc baby powder connected to thousands of cases of cancer—the potential danger of which the manufacturer, Johnson & Johnson, knew about for over 40 years.

Granular quartz-rock of several varieties: and indistinct specimens of a rock approaching to talc-slate.

Add sufficient powdered talc to give the mass the necessary consistency.

It occurs in beds (talc-slate), and is often met with in districts occupied by metamorphic crystalline rocks.

The three last-mentioned minerals—talc, serpentine, and chlorite—are all silicates of magnesia.

Talc is a silvery white, grayish, pale or dark-green coloured mineral, with a pearly lustre.

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TalbotypeTalca