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: a short-lived radioactive metallic element produced artificially see Chemical Elements Table
Word History
Etymology
New Latin, from Hassia Hesse (German state), location of the laboratory that first produced the element
First Known Use
1992, in the meaning defined above
Dictionary Entries Near hassium
Cite this Entry
“Hassium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hassium. Accessed 24 Nov. 2024.
Kids Definition
Medical Definition
hassium
noun
has·si·um
ˈha-sē-əm
: a short-lived radioactive element produced artificially
—symbol Hs
see Chemical Elements Table
More from Merriam-Webster on hassium
Britannica.com: Encyclopedia article about hassium
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