Hassium

//ˈhæsiəm// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An artificially-produced transuranic chemical element (symbol Hs) with atomic number 108. uncountable

    "The authors conclude that hassium may not exist in nature outside of star interiors."

  2. 2
    a radioactive transuranic element, with atomic number 108 wordnet
  3. 3
    A single atom of this element. countable

    "This radioactive decay produces a hassium that lasts for several seconds."

Synonyms

All synonyms
atomic number 108eka osmiumeka-osmiumelement 108hahniumhahnium

Example

More examples

"The authors conclude that hassium may not exist in nature outside of star interiors."

Etymology

From Latin Hassia (“Hesse”), the location of the institute where the element was first synthesized, + -ium.

Related phrases

hassium-270atomic number

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.