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fraxin

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fraxin


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Fraxin  \Frax"in\,  n.  [From  {Fraxinus}.]  (Chem.) 
  A  colorless  crystalline  substance,  regarded  as  a  glucoside, 
  and  found  in  the  bark  of  the  ash  ({Fraxinus})  and  along  with 
  esculin  in  the  bark  of  the  horse-chestnut.  It  shows  a 
  delicate  fluorescence  in  alkaline  solutions;  --  called  also 
  {paviin}. 




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