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Definition of Efficacy
1. Noun. Capacity or power to produce a desired effect. "Concern about the safety and efficacy of the vaccine"
Exact synonyms: Efficaciousness
Generic synonyms: Effectiveness, Effectivity, Effectuality, Effectualness
Attributes: Efficacious, Inefficacious
Derivative terms: Efficacious, Efficacious, Efficacious, Efficacious
Antonyms: Inefficacy
Generic synonyms: Effectiveness, Effectivity, Effectuality, Effectualness
Attributes: Efficacious, Inefficacious
Derivative terms: Efficacious, Efficacious, Efficacious, Efficacious
Antonyms: Inefficacy
Definition of Efficacy
1. 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.
Definition of Efficacy
1. Noun. Ability to produce a desired amount of a desired effect. ¹
¹ Source: wiktionary.com
Definition of Efficacy
1. effectiveness [n -CIES] - See also: effectiveness
Medical Definition of Efficacy
1. Strength, effectiveness. The ability of a drug to control or cure an illness. Efficacy should be distinguished from activity (see), which is limited to a drug's immediate effects on the microbe triggering the disease. (09 Oct 1997)
Lexicographical Neighbors of Efficacy
Other Resources:
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