INEFFICACY


Meaning of INEFFICACY in English

transcription, транскрипция: [ (ˌ)i-ˈne-fi-kə-sē ]

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's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.