- to treat or rub with talc.
Origin of talc
Examples from the Web for talcum
Ordinary starch, or talcum, or the stearate of zinc is suitable.The Eugenic Marriage, Vol 2 (of 4)
W. Grant Hague
Now wipe off all surplus cream and dust them with talcum powder.The Art of Stage Dancing
She gave an animated recommendation of powders from talcum to insect.The Comings of Cousin Ann
Emma Speed Sampson
She isn't going to talcum powder the baby with pepper, is she?
The Duchess is going to talcum powder the baby now—it's just had a bath.
- 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
Word Origin and History for talcum
1550s, from Medieval Latin talcum, used for any of various shiny minerals. See talc.
1580s, from Middle French talc, probably from Spanish talco and Medieval Latin talcum "talc" (ealy 14c.), both from Arabic talq, from Persian talk "talc." "It was applied by the Arab and medieval writers to various transparent, translucent and shining minerals such as talc proper, mica, selenite, etc." [Flood].
- A fine-grained white, greenish, or gray mineral, having a soft soapy feel and used in talcum and face powder.talcum
- 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.