INEFFICACY


Meaning of INEFFICACY in English

noun Etymology: Late Latin inefficacia, from Latin inefficac-, inefficax inefficacious, from in- + efficac-, efficax efficacious Date: circa 1615 lack of power to produce a desired effect

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.