efficacy

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[edit] English

[edit] Etymology

From Latin efficacia (efficacy), from efficax (efficacious); see efficacious.

[edit] Pronunciation

  • IPA: /ˈɛf.ɪ.kə.si/, SAMPA: /"Ef.I.k@.si/

[edit] Noun

efficacy (uncountable)

  1. (uncountable) Ability to produce a desired amount of a desired effect.

[edit] Synonyms

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