The Collaborative International Dictionary of English v.0.48:

Lithophane \Lith"o*phane\, n. [Litho- + Gr. fai`nein to show,
   reveal.]
   Porcelain impressed with figures which are made distinct by
   transmitted light, as in a lamp shade or when hung in a
   window. -- Lith`o*phan"ic, a. -- Li*thoph"a*ny, n.
   [Webster 1913 Suppl.]