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View synonyms for talc

talc

[talk]

noun

  1. Also talcum a green-to-gray, soft mineral, hydrous magnesium silicate, Mg 3 (Si 4 O10 )(OH) 2 , unctuous to the touch, and occurring usually in foliated or compact masses, used in making lubricants, talcum powder, electrical insulation, etc.

  2. talcum powder.



verb (used with object)

talcked, talced, talcking, talcing. 
  1. to treat or rub with talc.

talc

/ tælk /

noun

  1. See talcum powder

  2. 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

  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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Other Word Forms

  • talcose 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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"The claim, which covers the period from 1965 to 2023, details how Johnson & Johnson knew that their talc products contained carcinogenic fibres, including asbestos, for more than 50 years," KP Law said.

Read more on Barron's

The sale of baby powder containing talc stopped in the UK in 2023.

Read more on BBC

Johnson & Johnson was forced to stop using talc in its baby powder in 2023, following a multidistrict case that unearthed records showing it had known the ingredient caused reproductive cancers for half a century.

Read more on Los Angeles Times

Hundreds of women in the UK are planning to take on one of the world's biggest pharmaceutical companies over alleged links between talc and cancer.

Read more on BBC

I read that you should not use cornstarch as a talc replacement because it feeds the fungus.

Read more on Seattle Times

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TalbotypeTalca