Definitions
from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Power or capacity to produce a desired effect; effectiveness.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Ability to produce a desired amount of a desired effect.
from the GNU version of the Collaborative International Dictionary of English
- n. Power to produce effects; operation or energy of an agent or force; production of the effect intended
from The Century Dictionary and Cyclopedia
- n. The quality of being efficacious or effectual; production of, or the capacity of producing, the effect intended or desired; effectiveness.
- n. Synonyms Efficiency, etc. (see effectiveness); virtue, force, energy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. capacity or power to produce a desired effect
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Examples
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It has been shown to have long-term efficacy, meaning it could be administered in small doses, potentially reducing severity of side effects.
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The rise in efficacy of “Terrorism” is largely from the increased availability in inexpensive but highly effective weapons and equipment.
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More information on the homeopathic treatment of mental illness and more scientific evidence verifying its efficacy is contained in a newly published textbook on the subject, Homeopathy and Mental Health Care: Integrative Practice, Principles, and Research.
Dana Ullman: Homeopathy: A Healthier Way to Treat Depression?
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In my own clumsy way I am merely trying to point out that thinking that you can understand Buddhist practice and thought without experiencing them and accepting the possibility of their efficacy is kind of like pretending to understand science while disbelieving the validity of mathematics.
A New Hope for Interstellar Travel? « L.E. Modesitt, Jr. – The Official Website
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"I am fairly skeptical about the long-term efficacy of this intervention," said Yunosuke Ikeda, chief foreign-exchange strategist at Nomura Securities Co.
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If duration of efficacy is less than fifteen years, then no cancers are prevented, only postponed.
Marcia G. Yerman: An Interview with Dr. Diane M. Harper, HPV Expert
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• Duration of efficacy is key to the entire question.
Marcia G. Yerman: An Interview with Dr. Diane M. Harper, HPV Expert
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Not because they're corrupt, or deceitful or because they don't believe in efficacy of the public option, but because they don't believe the system would allow it to happen.
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However, one of our group has an interesting alternate proposal – that the points go up in efficacy as you use them.
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Those chosen enter an oligopolistic "industry" encompassing businesses (corporate finance, M&A, asset management) whose efficacy is rarely questioned, let alone their fee structures, and a capital markets operation premised on levering up in a mad quest for excess yield.
vermontster commented on the word efficacy
Don't confuse with effective. They will know that you are impersonating a serious grad student.
June 28, 2008