Definiciones
1.AdjectiveMuch heavier than usual."The superheavy tank weighed 80 tonnes and was said to be indestructible in combat."
2.AdjectiveDescribing a transuranic element with an extremely high atomic number; typically taken to mean beyond lawrencium (element 103, the last actinide).
3.Adjectivestressed more than is usual
4.NounA superheavy thing.
5.NounA superheavy element.
6.NounA superheavy tank or artillery piece.