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: Mg3Si4O10(OH)2. Crystal structure: monoclinic
verbWord forms: talcs, talcking, talcked, talcs, talcing or talced
3. (transitive)
to apply talc to
Derived forms
talcose (ˈtalcose) or talcous (ˈtalcous)
adjective
Word origin
C16: from Medieval Latin talcum, from Arabic talq mica, from Persian talk
talc in American English
(tælk)
noun
1.
a soft, light-colored, monoclinic mineral, Mg3Si4O10(OH)2, with a greasy feel, used to make talcum powder, lubricants, etc.; magnesium silicate
see also Mohs scale
2.
talcum (powder)
verb transitiveWord forms: talcked or talced, ˈtalcking or ˈtalcing
3.
to use talc on
Word origin
Fr < Ar ṭalq
talc in the Pharmaceutical Industry
(tælk)
noun
(Pharmaceutical: Excipients)
Talc is hydrated magnesium silicate, used as a dusting powder and an adsorbent in clarifying liquids.
You can use talc as an adsorbent to clarify the solution.
Magnesium silicate, known as talc, can be used as a dusting powder in preparations for topical application.
Talc is hydrated magnesium silicate, used as a dusting powder and an adsorbent in clarifyingliquids.