efficacy
/ˈɛf.ɪ.kə.si/ اسم C2- The ability to produce a desired effect under ideal testing conditions.
- A degree of ability to produce a desired effect; effectiveness.
الجمع efficacies
من المكتبة
I wonder who first discovered the efficacy of poetry in driving away love!”
Philosophers may well say, and practical men will always support the opinion, that money mitigates many trials; and if you admit the efficacy of this sovereign balm, you ought to be very easily consoled—you, the king of finance, the focus of immeasurable power.”
تعلّم efficacy في نصوص حقيقية
مع حساب مجاني، مرّر المؤشر فوق أي كلمة في المكتبة لترى معناها، واستمع إليها مقروءة بصوت عالٍ، واحفظ الكلمات لمراجعتها في مواعيد تناسب ذاكرتك، واعرف مقدار ما تعرفه من كل كتاب.