One of the elements; a colourless, invisible, odourless gas; it burns with a pale-blue flame, whence its former name of inflammable air. It is the…
| 单词 | θ68582 |
| 释义 | the world > matter > chemistry > elements and compounds > hydrogen > [noun] (31) hydrogen1791 One of the elements; a colourless, invisible, odourless gas; it burns with a pale-blue flame, whence its former name of inflammable air. It is the… hydrogen air1793 an old name for hydrogen, frequently also called hydrogen gas n. hydrogen gas1805 (cf. French gaz hydrogène). Subcategories:— atomic (2) — molecular (2) — isotopes (6) — naming form (1) — compounds (9) — ions (3) — sources of (2) — carbonated (2) — in chemical combination with fluorine (1) |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。