ununhexium

[uhn-uh n-hek-see-uh m]

noun Chemistry.

former name of livermorium. Symbol: Uuh

Also called element 116.

livermorium

[liv-er-mawr-ee-uh m, -mohr-]

noun Chemistry, Physics.

a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Lv; atomic number: 116.

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.

Formerly ununhexium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019