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nobelium

noun

no·​bel·​i·​um nō-ˈbe-lē-əm How to pronounce nobelium (audio)
: a radioactive metallic element produced artificially see Chemical Elements Table

Word History

Etymology

New Latin, from Alfred B. Nobel

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of nobelium was in 1957

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