transactinide |
superactinide |
As nouns the difference between transactinide and superactinide
is that
transactinide is any of the artificially produced elements having an atomic number greater than 103 while
superactinide is any of the undiscovered chemical elements from unbiunium (121) to unpenttrium (153), following the transactinides.
As an adjective transactinide
is lying beyond actinium in the periodic table; having an atomic number greater than 103.