ununquadium

[uhn-uh n-kwah-dee-uh m]

noun Chemistry, Physics.

former name of flerovium. Symbol: Uuq

Also called element 114.

element 114

noun Chemistry, Physics.

flerovium.

Formerly ununquadium.

flerovium

[flai-roh-vee-uh m]

noun Chemistry, Physics.

a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Fl; atomic number: 114.

Origin of flerovium

named after Flerov Laboratory of Nuclear Reactions in Russia, cofounded by Georgi N. Flerov, 1913–90, Russian physicist; see -ium

Formerly ununquadium, element 114.

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

ununquadium in Science

ununquadium

[ə-nŭn′kwŏd′ē-əm]

Uuq

See element 114.

element 114

Uuq

An artificially produced radioactive element whose most stable isotope has a mass number of 289 and a half-life of approximately 2.7 seconds. Radioactive decay of all isotopes is chiefly by alpha-particle transmission. Also called ununquadium See Periodic Table.