efficacy
- (uncountable, usually) The ability to produce a desired effect under ideal testing conditions.
- (uncountable, usually) A degree of ability to produce a desired effect; effectiveness.
Frequency
Pronounced as (IPA)
/ˈɛf.ɪ.kə.si/
Etymology
From Old French efficace, from Late Latin efficācia (“efficacy”), from efficāx (“efficacious”); see efficacious.
Related words
utility factor
active force
remain valid
competency
efficacité
eficacia
efficacia
eficácia skuteczność
eficàcia
doeltreffendheid
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