American Heritage® Dictionary of the English Language, Fourth Edition
- n. Power or capacity to produce a desired effect; effectiveness.
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.
- n. uncountable Ability to produce a desired amount of a desired effect.
GNU Webster's 1913
- n. Power to produce effects; operation or energy of an agent or force; production of the effect intended
- n. capacity or power to produce a desired effect
- From Latin efficacia ("efficacy"), from efficax ("efficacious"); see efficacious. (Wiktionary)
- Latin efficācia, from efficāx, efficāc-, efficacious; see efficacious. (American Heritage® Dictionary of the English Language, Fourth Edition)
“It has been shown to have long-term efficacy, meaning it could be administered in small doses, potentially reducing severity of side effects.”
“The rise in efficacy of “Terrorism” is largely from the increased availability in inexpensive but highly effective weapons and equipment.”
“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.”
“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.”
“I am fairly skeptical about the long-term efficacy of this intervention," said Yunosuke Ikeda, chief foreign-exchange strategist at Nomura Securities Co.”
“If duration of efficacy is less than fifteen years, then no cancers are prevented, only postponed.”
“• Duration of efficacy is key to the entire question.”
“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.”
“However, one of our group has an interesting alternate proposal – that the points go up in efficacy as you use them.”
“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.”
These user-created lists contain the word ‘efficacy’.
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
Collected from reading
Key words from "The Training of a Public Speaker" by Grenville Kleiser (New York and London, 1920)
These come from gamma meditation ,I think.
Bring forth the cathartic illumination on malignant,maniacal,medical,menage a trios and more egotists stymie
This is my favorite meter for single words. You could call it BUH-duh-buh-duh.
I collect them and cherish them; please add some. Phrases are also accepted if they've, you know, got it.
Combination some common, some uncommon preparation of GRE words.
words i need to memorize
need to know these words!!!!!!!!!!!!!!!!!
Looking for tweets for efficacy.