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meitnerium

noun

meit·​ner·​i·​um mīt-ˈnir-ē-əm How to pronounce meitnerium (audio)
-ˈner-
: a short-lived radioactive element produced artificially see Chemical Elements Table

Word History

Etymology

New Latin, from Lise Meitner

First Known Use

1992, in the meaning defined above

Time Traveler
The first known use of meitnerium was in 1992

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