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effloresce

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effloresce


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Effloresce  \Ef`flo*resce"\,  v.  i.  [imp.  &  p.  p.  {Effloresced}; 
  p.  pr  &  vb  n.  {Efflorescing}.]  [L.  efflorescere  to  bloom, 
  blossom;  ex  +  florescere  to  begin  to  blossom,  incho.,  fr 
  florere  to  blossom,  fr  flos  a  flower.  See  {Flower}.] 
  1.  To  blossom  forth.  --Carlyle. 
 
  2.  (Chem.)  To  change  on  the  surface,  or  throughout,  to  a 
  whitish,  mealy,  or  crystalline  powder,  from  a  gradual 
  decomposition,  esp.  from  the  loss  of  water,  on  simple 
  exposure  to  the  air;  as  Glauber's  salts,  and  many  others 
  effloresce. 
 
  3.  To  become  covered  with  a  whitish  crust  or  light 
  crystallization,  from  a  slow  chemical  change  between  some 
  of  the  ingredients  of  the  matter  covered  and  an  acid 
  proceeding  commonly  from  an  external  source;  as  the  walls 
  of  limestone  caverns  sometimes  effloresce  with  nitrate  of 
  calcium  in  consequence  of  the  action  in  consequence  of 
  nitric  acid  formed  in  the  atmosphere. 
 
  From  WordNet  r  1.6  [wn]: 
 
  effloresce 
  v  1:  burst  forth  into  or  as  if  into  flower;  "These 
  manifestations  effloresced  in  the  past"  [syn:  {burst 
  forth}] 
  2:  assume  crystalline  form  become  crystallized  [syn:  {crystallize}, 
  {crystalize}] 
  3:  become  encrusted  with  crystals  due  to  evaporation 




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