i Register
In some senses, rutherfordium is marked as obsolete. Watch for register when choosing this word.
rutherfordium
/ˌɹʌðəɹˈfɔːɹdiəm/
noun 3
Definitions
noun
1
A transuranic chemical element (symbol Rf) with an atomic number of 104.
2
A rejected name for seaborgium.
3
A rejected name for lawrencium.
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