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单词 actinide
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ac•ti•nide  (aktə nīd′),USA pronunciation n. [Chem.]
  1. Chemistryany element of the actinide series.
  • actin- + -ide, on the model of lanthanide 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
actinide /ˈæktɪˌnaɪd/ n
  1. a member of the actinide series
    Also called: actinon
Etymology: 19th Century: from actino- + -ide
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