Definition of efficacy Efficacy
/ɛˈfɪkæˌsi/ - [efikatsee] - ef•fi•ca•cy
We found 5 definitions of efficacy from 5 different sources.
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What does efficacy mean?
WordNet
NounPlural: efficacies |
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| efficacy - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine" | ||
| efficaciousness | ||
| inefficaciousness, inefficacy a lack of efficacy | ||
| efficacious marked by qualities giving the power to produce an intended effect; "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough" | ||
| effectivity, effectuality, effectualness, effectiveness power to be effective; the quality of being able to bring about an effect | ||
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Wiktionary 
- efficacy (Noun)
Ability to produce a desired amount of a desired effect.
Webster DictionaryWebster's Unabridged Dictionary 📘
- efficacy (n.)
Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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efficacy
The ability to produce a desired amount of a desired effect.
Part of speech
🔤- efficacy, noun, singular of efficacies.
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