英语词汇“ionium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	ionium
释义	Definition of ionium in English: ionium noun ʌɪˈəʊnɪəm Chemistry A radioactive isotope of thorium with mass number 230, produced by the alpha decay of uranium-234 and decaying in turn to radium-226 with a half-life of 75,000 years. Symbols Io, 230Th. Origin Early 20th century. From ion + -ium. With the semantic motivation, compare quot. 1907. Definition of ionium in US English: ionium nounʌɪˈəʊnɪəm Chemistry A radioactive isotope of thorium with mass number 230, produced by the alpha decay of uranium-234 and decaying in turn to radium-226 with a half-life of 75,000 years. Symbols Io, 230Th. Origin Early 20th century. From ion + -ium. With the semantic motivation, compare quot. 1907.
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更新时间：2025/2/4 10:18:56