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fluorescein

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fluorescein


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Fluorescein  \Flu`o*res"ce*in\,  n.  (Chem.) 
  A  yellowish  red,  crystalline  substance,  {C20H12O5},  produced 
  by  heating  together  phthalic  anhydride  and  resorcin;  --  so 
  called  from  the  very  brilliant  yellowish  green  fluorescence 
  of  its  alkaline  solutions.  It  has  acid  properties,  and  its 
  salts  of  the  alkalies  are  known  to  the  trade  under  the  name 
  of  uranin. 
 
  From  WordNet  r  1.6  [wn]: 
 
  fluorescein 
  n  :  a  yellow  dye  that  is  visible  even  when  highly  diluted  [syn: 
  {fluoresceine},  {fluorescent  dye},  {resorcinolphthalein}] 




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