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单词 curium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cu•ri•um  (kyŏŏr′ē əm),USA pronunciation n. 
  1. Chemistrya radioactive element not found in nature but discovered in 1944 among the products of plutonium after bombardment by high-energy helium ions. Symbol: Cm;
    at. no.: 96.
  • Neo-Latin; named after M. and P. Curie; see -ium
  • 1946

Collins Concise English Dictionary © HarperCollins Publishers::
curium /ˈkjʊərɪəm/ n
  1. a silvery-white metallic transuranic element artificially produced from plutonium. Symbol: Cm; atomic no: 96; half-life of most stable isotope, 247Cm: 1.6 x 107 years; valency: 3 and 4; relative density: 13.51 (calculated); melting pt: 1345±400°C
Etymology: 20th Century: New Latin, named after Pierre and Marie Curie
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更新时间：2025/2/23 15:44:13