S1U1P3E1R1H4E1A1V4Y4
21 points
SUPERHEAVY is validvalid
[n SUPERHEAVIES]
having an atomic weight or number heavier than the heaviest known [adj] / a superheavy element [n SUPERHEAVIES]
[n SUPERHEAVIES]
having an atomic weight or number heavier than the heaviest known [adj] / a superheavy element [n SUPERHEAVIES]