请输入您要查询的英文单词:

 

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.

    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.

    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.

 
 
随便看

 

英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/29 7:50:39