| 释义 |
isolative, a.|ˈaɪsəleɪtɪv|
[f. isolate v. + -ive.]
a. Phonology. Of a sound-change: taking place without reference to neighbouring sounds: opp. combinative a. 3.
1888H. Sweet Hist. Eng. Sounds 17 Isolative changes are those which affect a sound without any reference to its surroundings. Ibid. 26 Isolative change of s into ʃ is regular in Gm initial s followed by a cons., as in schwan, stein. 1906H. C. Wyld Hist. Study Mother Tongue iv. 73 Sound changes are conveniently divided into two main classes: Isolative Changes, which take place independent of other neighbouring sounds in the word or sentence, and uninfluenced by them; and Combinative Changes. 1972Hartmann & Stork Dict. Lang. & Ling. 212/2 A sound change is said to be..isolative, autonomous, spontaneous, sporadic when it is in no way dependent on its environment but occurs in all positions in which the sound in question occurs.
b. gen. Tending to isolate.
1957Antiquity XXXI. 189 Natural selection and isolative mechanisms. 1968G. Jones Hist. Vikings ii. i. 69 The axe-resisting, isolative forests of central Sweden. |