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Definition of
thorium noun
from the Oxford Advanced American Dictionary
thorium
noun
noun
NAmE
/
/
ˈθɔriəm
/
/
[
uncountable
]
(
symbol
Th
)
jump to other results
a chemical element.
Thorium
is a white
radioactive
metal used as a source of nuclear energy.
See
thorium
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
thorium
Nearby words
thong
noun
thorax
noun
thorium
noun
thorn
noun
thorny
adjective