iridium

Related topics: Elements

i·rid·i·um /ɪˈrɪdiəm/ noun [uncountableU]

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 Corpus

iridium• 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 rainbow

词汇	iridium
释义	iridium Related topics: Elements i·rid·i·um /ɪˈrɪdiəm/ noun [uncountableU] 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 Corpus iridium• 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 rainbow
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