browse words by letter
a b c d e f g h i j k l m n o p q r s t u v w x y z
hyoscyamia


hyoscyamia


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Hyoscyamine  \Hy`os*cy"a*mine\,  n.  [See  {Hyoscyamus}.]  (Chem.) 
  An  alkaloid  found  in  henbane  ({Hyoscyamus  niger}),  and 
  regarded  as  its  active  principle.  It  is  also  found  with  other 
  alkaloids  in  the  thorn  apple  and  deadly  nightshade.  It  is 
  extracted  as  a  white  crystalline  substance,  with  a  sharp, 
  offensive  taste.  Hyoscyamine  is  isomeric  with  atropine,  is 
  very  poisonous,  and  is  used  as  a  medicine  for  neuralgia,  like 
  belladonna.  Called  also  {hyoscyamia},  {duboisine},  etc