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- Dictionaryefficacy/ˈɛfɪkəsi/
noun
- 1. the ability to produce a desired or intended result: formal "there is little information on the efficacy of this treatment"
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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.
Feb 26, 2021 · What does efficacy mean? Efficacy is “capacity for producing a desired result or effect; effectiveness.” The adjective form efficacious means “capable of having the desired result or effect.”
EFFICACY meaning: 1. the ability of something to produce the intended result: 2. how well a particular treatment or…. Learn more.
If you talk about the efficacy of something, you are talking about its effectiveness and its ability to do what it is supposed to. Recent medical studies confirm the efficacy of a healthier lifestyle.
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.
While these two words are similar, efficiency vs. efficacy have different meanings. Efficacy is about whether or not something can be done at all. Efficiency is about how something is done and if it minimizes waste.
efficacy (noun) efficacy / ˈ ɛfɪkəsi/ noun. 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.
efficacy - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine"
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 quotation evidence.
