beryllium
noun /bəˈrɪliəm/
/bəˈrɪliəm/
[uncountable] (symbol Be)
- a chemical element. Beryllium is a hard grey metal found mainly in the mineral beryl.Word Originmid 19th cent.: from beryl (from which it is derived) + -ium.
| 单词 | beryllium |
| 释义 | berylliumnoun /bəˈrɪliəm/ /bəˈrɪliəm/ [uncountable] (symbol Be)
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