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| 单词 | vulcanized caoutchouc |
| 释义 | > as lemmasvulcanized caoutchouc 2. artificial caoutchouc: a substance formed by adding to a solution of glue tungstic acid or sodium tungstate, and then hydrochloric acid; it is elastic when warm. mineral caoutchouc: = elaterite n. a hydrocarbon found at Castleton in Derbyshire, and elsewhere. vulcanized caoutchouc: caoutchouc kneaded with flowers of sulphur, with which it unites and becomes black and horny: see vulcanite n. ΚΠ 1863 H. Watts Dict. Chem. I. 739 Sulphured or vulcanised caoutchouc is an excellent material for tubes for conveying water or gases. < as lemmas |
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