flerovium
[flai-
roh
-vee-
uh
m]
/flɛəˈroʊ vi əm/
noun
,
Chemistry, Physics.
1.
a superheavy, synthetic, radioactive element with a very short half-life.
Symbol:
Fl;
atomic number:
114.
Formerly
ununquadium,
element 114
.
Origin
named after
Flerov
Laboratory of Nuclear Reactions in Russia, cofounded by Georgi N. Flerov, 1913-90, Russian physicist; see
-ium