superactinides

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A form of superactinide — 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.

Scrabble 19
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Meanings

noun
  1. pluralplural of superactinide
Cite this entry
APA

superactinides. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/superactinides

MLA

“superactinides.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/superactinides. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “superactinides,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/superactinides.

Source: superactinides on Wiktionary, CC BY-SA 4.0.