efficacy

Nghĩa (Tiếng Anh)

  1. (uncountable, usually) The ability to produce a desired effect under ideal testing conditions.
  2. (uncountable, usually) A degree of ability to produce a desired effect; effectiveness.

Tính thường xuyên

47k
Phát âm là (IPA)
/ˈɛf.ɪ.kə.si/
Từ nguyên (Tiếng Anh)

From Old French efficace, from Late Latin efficācia (“efficacy”), from efficāx (“efficacious”); see efficacious.

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