Definitions for efficacyˈɛf ɪ kə si

This page provides all possible meanings and translations of the word efficacy

Princeton's WordNet

  1. efficacy, efficaciousness(noun)

    capacity or power to produce a desired effect

    "concern about the safety and efficacy of the vaccine"

Wiktionary

  1. efficacy(Noun)

    Ability to produce a desired amount of a desired effect.

  2. Origin: From efficacia, from efficax; see efficacious.

Webster Dictionary

  1. Efficacy(noun)

    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

Freebase

  1. Efficacy

    Efficacy is the capacity to produce an effect. It has different specific meanings in different fields. In medicine, it is the ability of an intervention or drug to produce a desired effect.


Translations for efficacy

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