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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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Efficacy is the ability of something to produce the intended result or how well a treatment or drug works under controlled conditions. Learn more about the meaning, synonyms, collocations and usage of efficacy with Cambridge Dictionary.
Efficacy is the power to produce an effect or a desired result. Learn the synonyms, examples, word history, and usage of efficacy from the Merriam-Webster dictionary.
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. Definitions of efficacy. noun.
Efficacy is the capacity for producing a desired result or effect, or a measure of the success of a vaccine or other pharmaceutical in a clinical trial. Learn more about the word history, usage and synonyms of efficacy from Dictionary.com.
Efficacy is the quality of being successful in producing an intended result or effect. Learn how to use this word in different contexts, see its synonyms and related terms, and explore its origin and usage in British and American English.
Definition of efficacy noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Efficacy is the power or capacity to produce a desired effect or result. Learn the origin, synonyms, antonyms, and sentence examples of this word from YourDictionary.
