ununquadium

[ uhn-uh n-kwah-dee-uh m ]
/ ˌʌn ənˈkwɑ di əm /

noun Chemistry, Physics.

former name of flerovium. Symbol: Uuq
Also called element 114.

Definition for ununquadium (2 of 3)

element 114


noun Chemistry, Physics.

Formerly ununquadium.

Definition for ununquadium (3 of 3)

flerovium

[ flai-roh-vee-uh m ]
/ flɛəˈroʊ vi əm /

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

Science definitions for ununquadium (1 of 2)

ununquadium

[ ə-nŭn′kwŏdē-əm ]

Uuq

See element 114.

Science definitions for ununquadium (2 of 2)

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.