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ununhexium

[uhn-uh n-hek-see-uh m]
noun Chemistry.
  1. former name of livermorium. Symbol: Uuh
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Also called element 116.

livermorium

[liv-er-mawr-ee-uh m, -mohr-]
noun Chemistry, Physics.
  1. a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Lv; atomic number: 116.
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Origin of livermorium

named after Lawrence Livermore National Laboratory, which participated in its creation; see -ium
Formerly ununhexium, element 116.

element 116

noun Chemistry, Physics.
  1. livermorium.
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Formerly ununhexium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018