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  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Dissociation  \Dis*so`ci*a"tion\  (?;  106),  n.  [L.  dissociatio: 
  cf  F.  dissociation.] 
  1.  The  act  of  dissociating  or  disuniting;  a  state  of 
  separation;  disunion. 
 
  It  will  add  infinitely  dissociation,  distraction, 
  and  confusion  of  these  confederate  republics. 
  --Burke. 
 
  2.  (Chem.)  The  process  by  which  a  compound  body  breaks  up 
  into  simpler  constituents;  --  said  particularly  of  the 
  action  of  heat  on  gaseous  or  volatile  substances;  as  the 
  dissociation  of  the  sulphur  molecules;  the  dissociation  of 
  ammonium  chloride  into  hydrochloric  acid  and  ammonia. 
 
  From  WordNet  r  1.6  [wn]: 
 
  dissociation 
  n  1:  the  act  of  removing  from  association 
  2:  the  state  of  being  separate  and  unconnected  [syn:  {disassociation}] 

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