Meitnerium Definition
mīt-nûrē-əm
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
Webster's New World
Synonyms:
- atomic number 109
- element 109
- mt
Origin of Meitnerium
After Lise Meitner
From American Heritage Dictionary of the English Language, 5th Edition
Named for Lise Meitner
From Wiktionary
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