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单词 californium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cal•i•for•ni•um  (kal′ə fôr′nē əm),USA pronunciation n. [Chem.]
  1. Chemistrya transuranic element. Symbol: Cf;
    at. no.: 98.
  • 1945–50; named after the University of California where it was discovered; see -ium

Collins Concise English Dictionary © HarperCollins Publishers::
californium /ˌkælɪˈfɔːnɪəm/ n
  1. a metallic transuranic element artificially produced from curium. Symbol: Cf; atomic no: 98; half-life of most stable isotope, 251Cf: 800 years (approx.)
Etymology: 20th Century: New Latin; discovered at the University of California
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更新时间：2025/7/23 9:03:29