资料来源 : Webster's Revised Unabridged Dictionary (1913)

Lithotypy \Li*thot"y*py\, n. [Litho- + -typy.]
   The art or process of making a kind of hard, stereotypeplate,
   by pressing into a mold, taken from a page of type or other
   matter, a composition of gum shell-lac and sand of a fine
   quality, together with a little tar and linseed oil, all in a
   heated state.