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单词 unnilseptium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
un•nil•sep•ti•um  (yo̅o̅′nil septē əm),USA pronunciation n. 
  1. Chemistry, Physics, Physicsprovisional name for the transuranic element with atomic number 107. Symbol: Uns  Also called element 107. 
  • Latin ūn(us) one + nīl nothing + sept(em) seven + Neo-Latin -ium -ium

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