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View synonyms for talc
talc
[ talk ]
noun
- 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].
- to treat or rub with talc.
talc
/ tælk /
noun
- 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
verb
- tr to apply talc to
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: 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
Granular quartz-rock of several varieties: and indistinct specimens of a rock approaching to talc-slate.
From Project Gutenberg
Add sufficient powdered talc to give the mass the necessary consistency.
From Project Gutenberg
It occurs in beds (talc-slate), and is often met with in districts occupied by metamorphic crystalline rocks.
From Project Gutenberg
The three last-mentioned minerals—talc, serpentine, and chlorite—are all silicates of magnesia.
From Project Gutenberg
Talc is a silvery white, grayish, pale or dark-green coloured mineral, with a pearly lustre.
From Project Gutenberg
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