Efficacy
1Efficacy — 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 …
2efficacy — 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.… …
3efficacy — 1520s, from L. efficacia efficacy, efficiency, from efficax (gen. efficacis) powerful, effective, from stem of efficere work out, accomplish (see EFFECT (Cf. effect)). Earlier in same sense was efficace (c.1200), from O.Fr. eficace (14c.), from L …
4efficacy — index caliber (mental capacity), competence (ability), dint, efficiency, force (strength), st …
5efficacy — [n] efficiency; productiveness ability, adequacy, capability, capableness, capacity, competence, effect, effectiveness, efficaciousness, energy, force, influence, performance, potency, power, strength, success, sufficiency, use, vigor, virtue,… …
6efficacy — ► NOUN formal ▪ the ability to produce a desired or intended result …
7efficacy — [ef′i kə sē] n. [ME & OFr efficace < L efficacia < efficax: see EFFICACIOUS] power to produce effects or intended results; effectiveness …
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9efficacy — 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.… …
10efficacy — [[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… …
