- a transuranic element artificially produced from californium. Symbol: Lr; atomic no: 103; half-life of most stable isotope, 256Lr: 35 seconds; valency: 3
单词 | lawrencium |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 law•ren•ci•um (lô ren′sē əm),USA pronunciation n. [Chem.]
Collins Concise English Dictionary © HarperCollins Publishers:: lawrencium /lɒˈrɛnsɪəm
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