| 单词 | hydrogen gas |
| 释义 | > as lemmashydrogen gas hydrogen gas n. (cf. French gaz hydrogène). ΘΚΠ the world > matter > chemistry > elements and compounds > hydrogen > [noun] hydrogen1791 hydrogen air1793 hydrogen gas1805 1805 W. Nisbet Dict. Chem. Hydrogen Gas, sometimes termed inflammable gas, is formed by the union of hydrogen with caloric. It was discovered by Mr. Cavendish. 1827 J. Bentham Rationale Judicial Evid. III. v. xvi. 315 An air-balloon, on the hydrogen gas principle. < as lemmas |
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