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Meaning of transactinide

trans•ac•ti•nide

Pronunciation: (trans-ak'tu-nīd", tranz-), [key]
— adj. Chem.
  1. noting or pertaining to elements having higher atomic weights than those of the actinide series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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