| 释义 |
ˈinsulant, a. and n.
[f. assumed L. *insulāre + -ant.]
†A. adj. Insulating (electrically). Obs. rare.
1803Med. Jrnl. IX. 239 Which so modifies the carbon as to produce a substance totally insulant.
B. n. Any substance or medium which insulates (electrically, thermally, etc.).
1934in Webster. 1946Electronic Engin. XVIII. 280/1 The growth of the electronics and high frequencies industries has been phenomenal. With this growth there has been a demand for more efficient insulants. 1959Times 27 Apr. (Rubber Industry Suppl.) p. viii/5 The best thermal insulant is a vacuum. Ibid., Most thermal insulants..work on the principle of trapped air. 1971Engineering Apr. 112/1 (Advt.), A dense yet feather-light carpet of pure mineral fibre... A natural thermal and acoustic insulant. |