| 单词 | meitnerium | 
| 释义 | meitnerium in British English (maɪtˈnɪərɪəm) noun a synthetic element produced in small quantities by high-energy ion bombardment. Symbol: Mt; atomic no: 109 Word originC20: named after Lise Meitner meitnerium in American English (maɪtˈnɪriəm)  noun  a radioactive chemical element with a very short half-life: a transactinide produced by bombarding bismuth with high-energy nuclear particles: symbol, Mt; at. no., 109 Word originModL, after  Meitner +  -ium Word lists withchemical | 
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