transuranic element
Noun
Meaning
any element having an atomic number greater than 92 (which is the atomic number of uranium); all are radioactive
Source: WordNetSynonyms
NP
hassium
dubnium
lawrencium
bohrium
rutherfordium
meitnerium
darmstadtium
roentgenium
seaborgium
ununtrium
ununpentium
bk