hafnium
noun /ˈhæfniəm/
/ˈhæfniəm/
[uncountable] (symbol Hf)
- a radioactive chemical element. Hafnium is a hard silver-grey metal.Word Origin1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen.
| 单词 | hafnium |
| 释义 | hafniumnoun /ˈhæfniəm/ /ˈhæfniəm/ [uncountable] (symbol Hf)
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