noun Etymology: New Latin, from thorium + -a Date: circa 1841 a powdery white oxide of thorium ThO 2 used especially as a catalyst and in crucibles and refractories and optical glass
THORIA
Meaning of THORIA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012