至尊木虫 (知名作家)
Translator and Proofreader
|
【答案】应助回帖
★ ★ ★ ★
YXJYS: 金币+4 2015-12-17 09:01:28
efficacy是有其复数形式的，就是efficacies。
有关这个词词典上不是很同一，有些认为不可数，另一些则认为可数，可能与其用法相关吧。
这里是有关这个词各家词典的说法，包括单复数的问题，供你参考：
https://www.memidex.com/efficacy
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
这事拷贝过来的效果不好。还是自己去看吧
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
efficacy
Definition:
capacity or power to produce a desired effect
Class:
attribute noun (attributes of people and objects)
Related to:
efficacious
Plural:
efficacies
Type of:
effectiveness » powerfulness » quality » attribute
Describes:
efficacious | inefficacious
Original source:
Princeton WordNet
Usage example:
concern about the safety and efficacy of the vaccine
Synonyms:
efficaciousness | efficacity
Etymology:
Latin efficacia "efficacy, efficiency", from efficax (genitive efficacis)...
(Source: Online Etymology) [more]
Definition references
Wikipedia:
Efficacy
the capacity to produce an effect. It has different specific meanings in different fields. In medicine, it's the ability of an intervention or drug to produce a desired effect. In medicine, efficacy indicates the capacity for beneficial change of a... (40 of 1053 words)
en.wikipedia.org/wiki/Efficacy
Collins Dictionary:
efficacy | effectiveness [synonym]
the quality of being successful in producing an intended result; effectiveness (11 of 503 words, 9 usage examples, pronunciation)
www.collinsdictionary.com/dictionary/english/efficacy
Merriam-Webster:
efficacy | efficacies [plural] | edge [synonym] | effectiveness [synonym] | effectualness [synonym] | efficaciousness [synonym] | efficacity [synonym] | efficiency [synonym] | productiveness [synonym]
the power to produce an effect (6 of 144 words, 1 usage example, pronunciation)
www.merriam-webster.com/dictionary/efficacy
Oxford Dictionary:
efficacy [formal]
the ability to produce a desired or intended result (9 of 53 words, 1 usage example, pronunciation)
oxforddictionaries.com/definition/english/efficacy
efficacy
Syllabification: (ef·fi·ca·cy) | the ability to produce a desired or intended result (11 of 53 words, 2 definitions, 1 usage example, pronunciation)
oxforddictionaries.com/definition/american english/efficacy
Macmillan British Dictionary:
efficacy [uncountable, formal]
effectiveness in producing the result that you intended (8 of 42 words, 1 usage example, pronunciation)
www.macmillandictionary.com/dictionary/british/efficacy
Cambridge Dictionary:
efficacy [formal]
an ability, especially of a medicine or a method of achieving something, to produce the intended result; effectiveness (18 of 37 words, 1 usage example, pronunciation)
dictionary.cambridge.org/dictionary/british/efficacy
New World Dictionary:
efficacy
power to produce effects or intended results; effectiveness (8 of 24 words, pronunciation)
www.yourdictionary.com/efficacy
American Heritage Dictionary:
efficacy
Power or capacity to produce a desired effect; effectiveness. (9 of 22 words, pronunciation)
www.yourdictionary.com/efficacy
Random House Dictionary:
efficacy | efficacies [plural] | efficacity | efficacities [plural]
capacity for producing a desired result or effect; effectiveness. (9 of 21 words, 1 usage example, pronunciation)
dictionary.infoplease.com/efficacy
Wiktionary:
efficacy [uncountable] | efficacity [synonym] | efficacies [plural] | efficacities [plural]
Ability to produce a desired amount of a desired effect. (10 of 17 words, pronunciation)
en.wiktionary.org/wiki/efficacy
Encarta Dictionary:
efficacy | efficacity
the ability to produce the desired result (7 of 30 words, pronunciations)
encarta.msn.com/dictionary 1861607599/definition.html [offline]
Etymology references
Online Etymology:
efficacy
First use: 1520s
Origin: Latin efficacia "efficacy, efficiency", from efficax (genitive efficacis) "powerful, effective", from stem of efficere ... (15 of 43 etymology words)
www.etymonline.com/index.php term=efficacy
New World Dictionary:
efficacy
Origin: Middle English and Old French efficace from Latin efficacia from efficax: see "efficacious"
www.yourdictionary.com/efficacy
Oxford Dictionary:
efficacy [formal]
First use: early 16th century
Origin: Latin efficacia, from efficax, efficac- (see "efficacious"
oxforddictionaries.com/definition/english/efficacy
American Heritage Dictionary:
efficacy
Origin: Latin efficācia, from efficāx, efficāc-, efficacious; see "efficacious".
www.yourdictionary.com/efficacy
Wiktionary:
efficacy [uncountable]
Origin: Latin efficacia ("efficacy", from efficax ("efficacious"; see efficacious.
en.wiktionary.org/wiki/efficacy
Merriam-Webster:
efficacy
First use: 1528
Origin: Latin efficac-, efficax, from efficere
www.merriam-webster.com/dictionary/efficacy
Encarta Dictionary:
efficacy
First use: Early 16th century
Origin: Latin efficacia from efficac-
encarta.msn.com/dictionary 1861607599/definition.html [offline] |
|
回复此楼
