efficacy

FREQ #47474 ★☆☆☆☆

n. 功效, 效力 [医] 效能, 功效, 效验

发音

CA /ˈɛf.ɪ.kə.si/
其它
US /ˈɛf.ɪ.kə.si/
UK /ˈɛf.ɪ.kə.si/
AU /ˈef.ɪ.kə.si/
AU /ˈef.ɪ.kə.sɪi/
NZ /ˈef.ə.kə.si/

词形变化

efficacies 复数 efficacies

释义与例句

n.
  1. 1.

    The ability to produce a desired effect under ideal testing conditions.

    不可数

    2005, Flay et al. Standards of Evidence: Criteria for Efficacy, Effectiveness and Dissemination DOI: 10.1007/s11121-005-5553-y Efficacy refers to the beneficial effects of a program or policy under optimal conditions of delivery, whereas effectiveness refers to effects of a program or policy under more real-world conditions.

  2. 2.

    A degree of ability to produce a desired effect; effectiveness.

    不可数

    Toothbrush with improved efficacy

词汇关系

名词

同义词 1

efficaciousness

反义词 1

inefficacy

上位词 4

effectiveness effectivity effectuality effectualness

词源

From Old French efficace, from Late Latin efficācia (“efficacy”), from efficāx (“efficacious”); see efficacious.

来源：wiktionary