erbium
noun /ˈɜːbiəm/
/ˈɜːrbiəm/
[uncountable] (symbol Er)
- a chemical element. Erbium is a soft silver-white metal.Word Originmid 19th cent.: modern Latin, from (Ytt)erb(y), in Sweden, where it was first found. Compare with ytterbium.
| 单词 | erbium |
| 释义 | erbiumnoun /ˈɜːbiəm/ /ˈɜːrbiəm/ [uncountable] (symbol Er)
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