Efficaciousness

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  efficaciousness \ef`fi*ca"cious*ness\ n.
     the capacity or power to produce a desired effect.
  
     Syn: efficacy.
          [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  efficaciousness
       n : capacity or power to produce a desired effect; "concern
           about the safety and efficacy of the vaccine" [syn: {efficacy}]
           [ant: {inefficacy}]