Last Updated
：2025/11/19
efficacy
IPA(Pronunciation)
Noun
uncountable
usually
Japanese Meaning
理想的な試験条件下で望ましい効果を発揮する能力、すなわち有効性。 / ある効果を生み出す能力の度合い、効果、効力。
（ plural ）
Quizzes for review
Ability to produce a desired effect under ideal testing conditions. / Degree of ability to produce a desired effect; effectiveness.
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efficacy
The clinical trial confirmed the efficacy of the new vaccine against the virus.
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The clinical trial confirmed the efficacy of the new vaccine against the virus.
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