1. [ noun ] (geology) a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
Synonyms: talc
Related terms: mineral rensselaerite French_chalk soapstone
2. [ noun ] (medicine,pharmacology) a toilet powder made of purified talc and usually scented; absorbs excess moisture
Synonyms: talcum_powder
Related terms: toilet_powder talc