noun tho·ria \ˈthr-ē-ə\

Definition of THORIA

:  a powdery white oxide of thorium ThO2 used especially as a catalyst and in crucibles and refractories and optical glass

Origin of THORIA

New Latin, from thorium + -a
First Known Use: circa 1841


Next Word in the Dictionary: thorianitePrevious Word in the Dictionary: thoreauliteAll Words Near: thoria
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