thoria
/ˈθɔːrɪə/noun
mass noun
1- Chemistry thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications【化】氧化钍。
1.1
- Chem. formula: ThO2.化学分子式:ThO2.
词源
mid 19th cent.: from THORIUM, on the pattern of words such as alumina and magnesia.