The meaning of EFFICACY is the power to produce a result or effect. How to use efficacy in a sentence.

EFFICACY definition: 1. the ability of something to produce the intended result: 2. how well a particular treatment or…. Learn more.

EFFICACY definition: the capacity for producing a desired result or effect. See examples of efficacy used in a sentence.

efficacy (ˈɛfɪkəsɪ) or efficaciousness n the quality of being successful in producing an intended result; effectiveness

Definition of efficacy noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Efficacy definition: Power or capacity to produce a desired effect; effectiveness.

What does the noun efficacy mean? There are four meanings listed in OED's entry for the noun efficacy, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and …

What does efficacy mean? The ability or capacity of something, typically a method, treatment, or intervention, to produce the desired or intended results or effects.

If you talk about the efficacy of something, you are talking about its effectiveness and its ability to do what it is supposed to.

Collins Concise English Dictionary © HarperCollins Publishers:: efficacy /ˈɛfɪkəsɪ/, efficaciousness /ˌɛfɪˈkeɪʃəsnəs/ n the quality of being successful in producing an intended result; effectiveness …