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unununium

[uh-nuh-nuhn-ee-uh m] /ə nəˈnʌn i əm/
noun, Chemistry, Physics.
1.
former name of roentgenium. Symbol: Uuu.
Also called element 111.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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unununium in Science
unununium
  (ə-nə-nŭn'ē-əm)   
See element 111.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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