Efficacy

Noun

Definition: The ability or capacity to produce a desired result or effect.

Synonyms: Effectiveness, Efficiency, Potency, Productivity

Antonyms: Inefficacy, Ineffectiveness

Examples:
  • The efficacy of the new medicine is yet to be determined.
  • The efficacy of their marketing campaign led to increased sales.
Mnemonics:
  • "If a medicine has high efficacy, it produces the desired effect."

Etymology:

Origin:

Late Middle English from Latin 'efficacia', from 'efficax', from the verb 'efficere' (to accomplish), from 'ex-' (out) + 'facere' (to make, do)

Historical Usage:

The term has been used in various contexts since its origin, primarily in the realm of medicine and effectiveness.

Related Idioms:

Idiom:

None specifically associated with "efficacy"

Explanation:

While these two words are related, "efficacy" specifically refers to the ability or capacity to produce a desired result, while "effectiveness" refers to the degree of success in producing the intended or expected result.

Misconceptions:

Misconception:

Confusing "efficacy" with "effectiveness"

Explanation:

While these two words are related, "efficacy" specifically refers to the ability or capacity to produce a desired result, while "effectiveness" refers to the degree of success in producing the intended or expected result.

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