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talc

American  
[talk] / tælk /

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 British  
/ 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 Scientific  
/ 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 .

Other Word Forms

  • talcose adjective

Etymology

Origin of talc

1595–1605; < Medieval Latin talcum < Arabic ṭalq mica < Persian talk

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.

Investors wondered why Kimberly-Clark was willing to buy a company with weakening sales and sizable potential legal liability related to Tylenol and talc.

From Barron's

Johnson & Johnson retained responsibility for talc litigation in the two countries after the spinoff, but Kenvue is responsible for talc litigation elsewhere.

From The Wall Street Journal

In addition to assuming potential litigation risk for the Tylenol brand and talc lawsuits outside the U.S.,

From Barron's

Ms Naidu, Ms Lynch and Mr Watson had been accused of using two colour blasters filled with cornflour, talc and an orange dye to spray the monument in a protest on 19 June 2024.

From BBC

"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.

From Barron's

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.