| 释义 |
▪ I. viability1|vaɪəˈbɪlɪtɪ|
[ad. F. viabilité (1812), or f. viable a.1: see -ity.]
The quality or state of being viable; capacity for living; the ability to live under certain conditions. Also transf.: now esp. feasibility; ability to continue or be continued; the state of being financially sustainable.
In common use from c 1860.
1843Bouvier Law Dict. U.S., Viability, med. jur., an aptitude to live after birth; extra uterine life. 1853Simpson Obstet. Path. & Pract. 21, I have repeatedly been astonished at the viability of the infant after traction had been applied to it. 1870H. Maudsley Body & Mind 44 The general and ultimate result of breeding in and in is to produce barrenness and sterility, children of a low degree of viability and of imperfect mental and physical development. 1883Cent. Mag. Sept. 727/1 An animal or plant which is only partly adapted to its conditions of existence is ugly in exact proportion to its lack of viability. 1893C. B. Upton Bases Relig. Belief 157 It means spiritual viability or immortality. 1955Bull. Atomic Sci. Mar. 81/1 Considerations of defense, in addition to mobilizing offensive strength, do not in the least imply softness or lack of viability. 1962Listener 11 Oct. 549/1 They are a main factor in giving it [sc. the country] such economic viability as it possesses. 1971Nature 19 Feb. 518/2 Mr Stein's apparently innocent bill to limit noise at New York airports..could be..a serious threat to the viability of Concorde. 1977K. M. E. Murray Caught in Web of Words viii. 150 He also had some doubts about the viability of the work financially.
▪ II. viaˈbility2
[ad. F. viabilité (1878), or f. viable a.2]
The condition of being traversable.
1882W. Cory Guide Mod. Eng. Hist. II. 470 The quality which convicts gave it [Tasmania], can be expressed by one word ‘viability’: they made some roads. |