| 单词 | iridium |
| 释义 | Related topics: Elementsi·rid·i·um /ɪˈrɪdiəm/ noun [uncountable] HCEMHa hard and very heavy metal that is combined with platinum to make jewellery and is used in scientific instruments. It is a chemical element: symbol Ir 铱〔一种化学元素，符号为 Ir〕Examples from the Corpusiridium• Like Green's compound, this iridium compound contains two hydrogen atoms that can be eliminated by light.Origin iridium (1800-1900) Latin iris ( → IRIS); because when it becomes liquid in a particular acid, it shows the colors of the rainbowi·rid·i·um nounChineseSyllable very hard metal Corpus and is that a heavy |
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