資料來源 : Webster's Revised Unabridged Dictionary (1913)

Slickensides \Slick"en*sides`\, n.
   1. The smooth, striated, or partially polished surfaces of a
      fissure or seam, supposed to have been produced by the
      sliding of one surface on another.

   2. A variety of galena found in Derbyshire, England.