(originally) an earth (earth, n.1 16) which is alkaline; (in later use) any of the strongly basic oxides of the alkaline earth metals; (also) = alkal…
| 单词 | θ69022 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > oxygen > [noun] > compounds > oxides (23) alkaline earth1716 (originally) an earth (earth, n.1 16) which is alkaline; (in later use) any of the strongly basic oxides of the alkaline earth metals; (also) = alkal… oxide1788 A compound of oxygen with another element or with an organic radical. earth1863–79 Chemistry. A substance having the properties of stability, dryness, non-volatility, lack of smell, etc., associated with earth (sense 13a); (in later… nickel spinel1961 an artificially produced oxide of nickel and aluminium, NiAl2O4. Subcategories:— by proportion of oxygen (7) — containing one equivalent of oxygen (1) — peroxides (11) |
| 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。