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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Hepar  \He"par\,  n.  [L.  hepar,  hepatis,  the  liver,  Gr  ?.] 
  1.  (Old  Chem.)  Liver  of  sulphur;  a  substance  of  a  liver-brown 
  color,  sometimes  used  in  medicine.  It  is  formed  by  fusing 
  sulphur  with  carbonates  of  the  alkalies  (esp.  potassium), 
  and  consists  essentially  of  alkaline  sulphides.  Called 
  also  {hepar  sulphuris}. 
  2.  Any  substance  resembling  hepar  proper,  in  appearance; 
  specifically,  in  homeopathy,  calcium  sulphide,  called  also 
  {hepar  sulphuris  calcareum}  (?). 
  {Hepar  antimonii}(Old  Chem.),  a  substance,  of  a  liver-brown 
  color,  obtained  by  fusing  together  antimony  sulphide  with 
  alkaline  sulphides,  and  consisting  of  sulphantimonites  of 
  the  alkalies;  --  called  also  {liver  of  antimony}.