Definition of thoria in English:

thoria

noun ˈθɔːrɪəˈθɔriə

mass nounChemistry

Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications.
〔化〕氧化钍
Chemical formula: ThO₂
Example sentencesExamples
- The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium.
- The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly.

Origin

Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia.

Definition of thoria in US English:

thoria

nounˈTHôrēəˈθɔriə

Chemistry

Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications.
〔化〕氧化钍
Chemical formula: ThO₂
Example sentencesExamples
- The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium.
- The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly.

Origin

Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia.

单词	thoria
释义	Definition of thoria in English: thoria noun ˈθɔːrɪəˈθɔriə mass nounChemistry Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications. 〔化〕氧化钍 Chemical formula: ThO₂ Example sentencesExamples The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium. The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly. Origin Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia. Definition of thoria in US English: thoria nounˈTHôrēəˈθɔriə Chemistry Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications. 〔化〕氧化钍 Chemical formula: ThO₂ Example sentencesExamples The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium. The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly. Origin Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia.
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