1. superheavy - Noun
2. superheavy - Adjective
Having far greater weight than usual.
The superheavy tank weighed 80 tonnes and was said to be indestructible in combat.
(physics) Describing a transuranic element with an extremely high atomic number; typically taken to mean beyond lawrencium (element 103, the last actinide)
(linguistics, of a syllable) stressed more than is usual
superheavy (plural superheavies)
(physics) A superheavy element.
In his syllable typology there are three syllable weights: light (V, CV); heavy (CVC, CV, CV), and superheavy (CVC). Source: Internet
Some languages distinguish a third type of superheavy syllable, which consists of VVC syllables (with both a branching nucleus and rime) or VCC syllables (with a coda consisting of two or more consonants) or both. Source: Internet
Many languages forbid superheavy syllables, while a significant number forbid any heavy syllable. Source: Internet