from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The name formerly used for dubnium. Also called unnilpentium.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rejected name for dubnium.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a transuranic element
After Otto Hahn.(American Heritage® Dictionary of the English Language, Fourth Edition)
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