efficacy

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Synonyms 1.3.2 Related terms 1.3.3 Translations 1.3.4 External links

[edit] English

[edit] Etymology

< Latin efficacia (“‘efficacy’”) < 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

• efficacity

[edit] Related terms

• effect
• effective
• effectiveness
• effectivity
• effector
• effectual
• effectuate
• efficacious
• efficacity
• efficiency
• efficient

[edit] Translations

[edit] External links

• efficacy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• efficacy in The Century Dictionary, The Century Co., New York, 1911