| 单词 | tritium |
| 释义 | Word Frequency tritium(ˈtrɪtɪəm) noun a radioactive isotope of hydrogen, occurring in trace amounts in natural hydrogen and produced in a nuclear reactor. Tritiated compounds are used as tracers. Symbol:Tor3H; half-life: 12.5 years Word origin C20: New Latin, from Greek tritos third |
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