1. talcum (n.) a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
Talcum Powder and Cancer. Talc is used for a variety of and industrial purposes. In the case of baby powder, talc is renowned for its ability to absorb moisture, reduce friction and prevent rashes. Talcbased products have been marketed to women for genital hygiene purposes as body powder and genital deodorant sprays.