TODO [{"language":"en","keywords":[{"keyword":"efficacy","sets":[{"words":[{"word":"efficaciousness","annotation":null}],"provider":"OpenOffice","providerUrl":"http://wordnet.princeton.edu/"}]}]}] 
en el diccionario PONS
efficacy [ˈefɪkəsi] SUST. form.
- efficacy
-
Entrada de OpenDict
efficacy SUST.
- efficacy form.
-
- efficacy form.
- celowość f
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