thorium
noun /ˈθɔːriəm/
/ˈθɔːriəm/
[uncountable] (symbol Th)
- a chemical element. Thorium is a white radioactive metal used as a source of nuclear energy.
钍(放射性化学元素) 词源mid 19th cent.: named after Thor (the Greek god of thunder, the weather, agriculture and the home).