talc

A fine-grained white, greenish, or gray mineral, Mg₃Si₄O₁₀(OH)₂, having a soft soapy feel and used in talcum and face powder, as a paper coating, and as a filler for paint and plastics.

To apply this substance to (a photographic plate, for example).

To treat, or rub with talc: as, in photography, to talc a plate to which it is desired to prevent the adherence of a film.

A magnesian silicate, usually consisting of broad, flat, smooth laminæ or plates, unctuous to the touch, of a shining luster, translucent, and often transparent when in very thin plates.

A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety.

an impure, slaty talc, with a nearly compact texture, and greater hardness than common talc; — called also talc slate.

A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses.

To apply talc

a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder

apply talcum powder to (one’s body)