noun Etymology: Swedish thorit, from New Latin thorium Date: 1832 a rare mineral that is a brown to black or sometimes orange-yellow silicate of thorium resembling zircon
THORITE
Meaning of THORITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012