The Collaborative International Dictionary of English v.0.48:

Lithofellic \Lith"o*fel"lic\, a. [Litho- + L. fel, fellis,
   gall.] (Physiol. Chem.)
   Pertaining to, or designating, a crystalline, organic acid,
   resembling cholic acid, found in the biliary intestinal
   concretions (bezoar stones) common in certain species of
   antelope.
   [1913 Webster]