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单词 thorianite
释义

thorianite

noun

tho·​ri·​a·​nite ˈthȯr-ē-ə-ˌnīt How to pronounce thorianite (audio)
: a strongly radioactive mineral that is an oxide of thorium and often contains rare earth elements

Word History

Etymology

irregular from thoria

First Known Use

1904, in the meaning defined above

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更新时间:2024/11/11 19:36:32