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单词 thoria
释义

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.
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更新时间:2026/5/14 7:43:15