hassium
Syllabification: (has·si·um)
Pronunciation: /ˈhasēəm/
Definition of hassium
noun
- the chemical element of atomic number 108, a very unstable element made by high-energy atomic collisions. (Symbol: Hs)See also hahnium.
Origin:
modern Latin, from Latin Hassias 'Hesse' (the German state); it was discovered in Darmstadt in 1984