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Meaning of EFFICACY

Pronunciation:  'efukusee

 
WordNet Dictionary
 
 Definition: 
[n]  capacity or power to produce a desired effect
 

EFFICACY is a 8 letter word that starts with E.

 

 Synonyms: efficaciousness
 
 Antonyms: inefficaciousness, inefficacy
 
 See Also: effectiveness, effectivity, effectuality, effectualness

 

 

Webster's 1913 Dictionary
 
 Definition: 
\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.
``Of noxious efficacy.'' --Milton.

Syn: Virtue; force; energy; potency; efficiency.

 
Biology Dictionary
 
 Definition: Having the ability or power to produce a desired effect.
 

 

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