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efficacy

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efficacy


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Efficacy  \Ef"fi*ca*cy\,  n.  [L.  efficacia  fr  efficax  See 
  {Efficacious}.] 
  Power  to  produce  effects;  operation  or  energy  of  an  agent  or 
  force;  production  of  the  effect  intended;  as  the  efficacy  of 
  medicine  in  counteracting  disease;  the  efficacy  of  prayer. 
  ``Of  noxious  efficacy.''  --Milton. 
 
  Syn:  Virtue;  force;  energy;  potency;  efficiency. 
 
  From  WordNet  r  1.6  [wn]: 
 
  efficacy 
  n  :  capacity  or  power  to  produce  a  desired  effect  [syn:  {efficaciousness}] 
  [ant:  {inefficacy}] 




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