efficacious
- IPA[ˌɛfɪˈkeɪʃəs]
英式
- (of something inanimate or abstract) successful in producing a desired or intended result; effective
- 釋義
形容詞
- 1. formal (of something inanimate or abstract) successful in producing a desired or intended result; effective this treatment was efficacious in some cases
- 更多解釋
- IPA[ˌefəˈkāSHəs]
美式
- (of something inanimate or abstract) successful in producing a desired or intended result; ... the vaccine has proved both efficacious and safe
Oxford American Dictionary