An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : actinide
actinide
  اکتینید   
aktinide (#)

Fr.: actinide   

Any member of the group of → chemical elements with → atomic numbers from 89 (→ actinium) to 103 (→ lawrencium), analogous to the → lanthanides.

From the chemical element → actinium.