VariousWords beta
Related Terms:
thorite
thor
thorotrast
nonthorium
dithorium
rare earth element
brabantite
ionium
althupite
thoriated
welsbach burner
thoriums
thorium 228
mesothorium
brockite
thornasite
tuliokite
alvite
wasium
turkestanite
thorate
fersmite
thorian
eylettersite
thoria
organothorium
yttrialite
thoric
huttonite
thoriate
uranopolycrase
eka thorium
steacyite
abukumalite
bröggerite
thorianite
thorbastnasite
thorutite
grayite
thorin
cheralite
euxenite
thorogummite
eschynite
thoron
helium dating
thoriferous
actinide
thorosteenstrupine
tscheffkinite
calciobetafite
umbozerite
atomic number
ciprianiite
coutinhoite
thorium dioxide
Definitions:
Noun
thorium
Th
atomic number 90
Definition: a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
Definition: A chemical element (symbol Th) with atomic number 90: a weakly radioactive, malleable, moderately hard silvery metal that tarnishes black when exposed to air.