Talc

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Talc \Talc\ (t[a^]lk), n. [F. talc; cf. Sp. & It. talco, LL.
     talcus; all fr. Ar. talq.] (Min.)
     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.


     [1913 Webster]
  
     {Indurated talc}, an impure, slaty talc, with a nearly
        compact texture, and greater hardness than common talc; --
        called also {talc slate}.
        [1913 Webster] Talcose

From WordNet (r) 2.0 [wn]:

  talc
       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 [syn: {talcum}]
       v : apply talcum powder to (one's body)
       [also: {talcking}, {talcked}]