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ununtrium

[uh-nuhn-tree-uh m]
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noun Chemistry, Physics.
  1. a superheavy, synthetic, radioactive element with a short half-life. Symbol: Uut; atomic number: 113.
Also called element 113.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
ununtrium in Science

ununtrium

[ə-nŭntrē-əm]
Uut
  1. See element 113.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.