hahnium
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Related to hahnium: dubnium
hahnium
(ˈhɑːnɪəm)n
(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
un•nil•pen•ti•um
(ˌyu nɪlˈpɛn ti əm)n.
provisional name for the transuranic element with atomic number 105. Symbol: Unp Also called hahnium.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
hah·ni·um
(hä′nē-əm) 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.
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Noun | 1. | 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 |
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hahnium