单词 | transuranic element |
释义 | transuranic element (once / 5909656 pages) n WORD FAMILY transuranic element USAGE EXAMPLESIts basis is a transuranic element, which is, however, only slightly radioactive. Jones, Raymond F., The Year When Stardust Fell(2010) n any element having an atomic number greater than 92 (which is the atomic number of uranium); all are radioactive Hyper chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
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