Definition of efficacy in English:
noun[mass noun] formal
The ability to produce a desired or intended result: there is little information on the efficacy of this treatment
More example sentences
- It'll be some time before the safety and efficacy of the other products is proven.
- The power of transformation or efficacy of the commodity is often a selling point.
- Blood tests may be needed periodically to monitor the treatment and its efficacy.
Words that rhyme with efficacymendicancy • prolificacy
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