Efficacy — is the capacity to produce an effect. It has different specific meanings in different fields. 1 ef·fi·ca·cy /ˈɛfɪkəsi/ noun [noncount] formal : the power to produce a desired result or effect ▪ The efficacy of this treatment has not yet been … Wikipedia
efficacy — ef fi*ca*cy, n. [L. efficacia, fr. efficax. See {Efficacious}.] Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.… … The Collaborative International Dictionary of English
efficacy — index caliber (mental capacity), competence (ability), dint, efficiency, force (strength), st … Law dictionary
efficacy — [n] efficiency; productiveness ability, adequacy, capability, capableness, capacity, competence, effect, effectiveness, efficaciousness, energy, force, influence, performance, potency, power, strength, success, sufficiency, use, vigor, virtue,… … New thesaurus
efficacy — ► NOUN formal ▪ the ability to produce a desired or intended result … English terms dictionary
efficacy — [ef′i kə sē] n. [ME & OFr efficace < L efficacia < efficax: see EFFICACIOUS] power to produce effects or intended results; effectiveness … English World dictionary
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efficacy — The extent to which a specific intervention, procedure, regimen, or service produces a beneficial result under ideal conditions. Cf.:effectiveness. [L. efficacia, fr, ef ficio, to perform, accomplish] * * * ef·fi·ca·cy (efґĭ kə se) [L.… … Medical dictionary
efficacy — [[t]e̱fɪkəsi[/t]] N UNCOUNT: usu with poss If you talk about the efficacy of something, you are talking about its effectiveness and its ability to do what it is supposed to. [FORMAL] Recent medical studies confirm the efficacy of a healthier… … English dictionary
efficacy — /ef i keuh see/, n., pl. efficacies. capacity for producing a desired result or effect; effectiveness: a remedy of great efficacy. [1520 30; < L efficacia, equiv. to efficac (see EFFICACIOUS) + ia Y3] * * * … Universalium