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Related to hahnium: dubnium


(Elements & Compounds) a name once advanced by the American Chemical Society for dubnium
[C20: named after Otto Hahn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌyu nɪlˈpɛn ti əm)

provisional name for the transuranic element with atomic number 105. Symbol: Unp Also called hahnium.
[1975–80; < Latin ūn(us) one + nīl nothing + Greek pént(e) five + New Latin -ium -ium2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


An earlier name for dubnium.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hahnium - a transuranic element
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
So far, Schadel says, seaborgium "behaves as expected, which is nice to see, because then the architecture of the periodic table is still intact." The group is now analyzing data from a second experiment with seaborgium, and continuing its work on rutherfordium, and hahnium. "Maybe in a few years we will attack the next elements, 107 and 108, and see what we can do there," he says.
Elements 107 through 109 will bear the names bohrium, hahnium, and meitnerium, respectively.
Hoffman's team has been focusing on hahnium, or element 105.