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Definition of Efficacy


  1. 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.
More "Efficacy" Quotations

Efficacy Translations

efficacy in German is Zugkraft, Wirkungskraft
efficacy in Spanish is eficacia
efficacy in Swedish is verkan, verksamhet