| 释义 |
efficacious, a.|ɛfɪˈkeɪʃəs|
[f. L. efficāci- (see prec.) + -ous: see -acious.]
That produces, or is certain to produce, the intended or appropriate effect; effective. (Said of instruments, methods, or actions; not, in prose, of personal agents.)
1528Roy Sat. (1845) Goddis worde is so efficacious. 1651Biggs New Disp. 35 Lesse efficacious, that is, in plain English ineffectual. 1669Gale Crt. Gentiles i. iii. iii. 39 He saies it is the first efficacious cause of the Being of althings. a1679T. Goodwin Wks. (1863) VII. 510 God..vouchsafeth..efficacious grace to overcome temptation. 1744Berkeley Siris §58 Soap, therefore, is justly esteemed a most efficacious medicine. 1830Lyell Princ. Geol. (1875) II. iii. xli. 421 Variation and Natural Selection will be efficacious in forming distinct races in separate islands. 1860Mill Repr. Govt. (1865) 51/2 To provide efficacious securities against this evil. 1873Browning Red. Cott. Nt.-Cap 497 Be efficacious at the Council there. |
