This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Having far greater weight than usual.

adj. Describing a transuranic element having an atomic number greater than 110

adj. stressed more than is usual

n. Any superheavy element.

""Proving the existence of atoms with such a high mass, the so-called superheavy elements, is a complex procedure because they exist for only tiny fractions of a second and then decay radioactively into other elements.""

cities'    150-mm    128-mm    2-aa    37-mm