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Meaning of superactinide | Babel Free

Noun CEFR C1

Definitions

Any of the undiscovered chemical elements from unbiunium (121) to perhaps unpentseptium (157), following the transactinides. These will presumably go below the actinides in the periodic table.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

superaction superactivation superactivity superacuteness superaddition superadditivity

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