talc
Also tal·cum [tal-kuhm]. /ˈtæl kəm/. a green-to-gray, soft mineral, hydrous magnesium silicate, Mg3(Si4O10)(OH)2, unctuous to the touch, and occurring usually in foliated or compact masses, used in making lubricants, talcum powder, electrical insulation, etc.
to treat or rub with talc.
Origin of talc
1Words Nearby talc
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use talc in a sentence
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.
Are ‘clean’ cosmetics better for us than other beauty products? | Sara Kiley Watson | March 17, 2021 | Popular-ScienceTake, 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.
Are ‘clean’ cosmetics better for us than other beauty products? | Sara Kiley Watson | March 17, 2021 | Popular-ScienceGranular 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.
Secrets of Wise Men, Chemists and Great Physicians | William K. DavidIt occurs in beds (talc-slate), and is often met with in districts occupied by metamorphic crystalline rocks.
Geology | James Geikie
British Dictionary definitions for talc
/ (tælk) /
See talcum powder
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
(tr) to apply talc to
Origin of talc
1Derived forms of talc
- talcose or talcous, adjective
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
Scientific definitions for talc
[ tălk ]
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: Mg3Si4O10(OH)2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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