˜yÐÄvlog

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View synonyms for

efficacy

[ ef-i-kuh-see ]

noun

plural efficacies.
  1. the capacity for producing a desired result or effect:

    Short, frequent periods of practice were shown to have greater efficacy than longer and less frequent ones.

  2. a measure of the success of a vaccine or other pharmaceutical when used in the controlled environment of a clinical trial, as opposed to in the real world. Compare effectiveness ( def 3 ).


efficacy

/ ˈɛ´Úɪ°ìÉ™²õɪ /

noun

  1. the quality of being successful in producing an intended result; effectiveness
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other ˜yÐÄvlog Forms

  • ²Ô´Ç²Ô·±ð´Ú·´Ú¾±Â·³¦²¹Â·³¦²â noun
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˜yÐÄvlog History and Origins

Origin of efficacy1

First recorded in 1520–30; from Latin ±ð´Ú´Ú¾±³¦Ä峦¾±²¹, from ±ð´Ú´Ú¾±³¦Ä峦- (stem of ±ð´Ú´Ú¾±³¦Äå³æ ) “effective, effectual†+ -ia, noun suffix; efficacious ( def ), -y 3( def )
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Example Sentences

Examples have not been reviewed.

But questions about the efficacy and usefulness of its consumer products have followed it almost from the start.

From

In San Francisco, Mayor Daniel Lurie has pledged to restructure the city’s homelessness services and take a critical look at the efficacy of city-funded nonprofits, including ones that offer supplies to drug users.

From

The primary target of Kennedy’s cuts is the Food and Drug Administration, which works to ensure the safety and efficacy of foods, drugs, medical devices, tobacco and other regulated products.

From

“Serious oversights like this not only jeopardize the integrity of individual cases but also sow public distrust in the criminal legal system and call into question the efficacy and accuracy of criminal investigations.â€

From

Free speech is the vehicle for epistemic humility and the guarantor of democratic efficacy: that we can’t know who’s right unless we can all argue it out, unfettered.

From

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