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- DictionaryEf·fi·ca·cy/ˈefəkəsē/
noun
- 1. the ability to produce a desired or intended result: formal "there is little information on the efficacy of this treatment"
The meaning of EFFICACY is the power to produce an 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.
The effectiveness, or efficacy, of something is how well it works or brings the results you hoped for. A scientist does research to determine the efficacy of a vaccine or medicine under development. If it is efficacious, it will cure or prevent a disease.
If you talk about the efficacy of something, you are talking about its effectiveness and its ability to do what it is supposed to. [ formal ] Recent medical studies confirm the efficacy of a healthier lifestyle.
Efficacy definition: Power or capacity to produce a desired effect; effectiveness.
Britannica Dictionary definition of EFFICACY. [noncount] formal. : the power to produce a desired result or effect. The efficacy [= effectiveness] of this treatment has not yet been proved.
Definition of efficacy noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Efficacy is the ability to perform a task to a satisfactory or expected degree. The word comes from the same roots as effectiveness, and it has often been used synonymously, although in pharmacology a distinction is now often made between efficacy and effectiveness.
Define efficacy. efficacy synonyms, efficacy pronunciation, efficacy translation, English dictionary definition of efficacy. n. Power or capacity to produce a desired effect; effectiveness.
