-
- To save this word, you'll need to log in.
meitnerium
noun
meit·ner·i·um
mīt-ˈnir-ē-əm
-ˈner-
: a short-lived radioactive element produced artificially see Chemical Elements Table
Examples of meitnerium in a Sentence
Recent Examples on the Web
Known as a transition metal, meitnerium was named after scientist Lise Meitner who played a pivotal role in understanding and explaining nuclear fission/splitting of the atom.
—Allison Futterman, Discover Magazine, 17 Sep. 2022
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
Etymology
New Latin, from Lise Meitner
First Known Use
1992, in the meaning defined above
Dictionary Entries Near meitnerium
Cite this Entry
“Meitnerium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meitnerium. Accessed 22 Nov. 2024.
Kids Definition
meitnerium
noun
meit·ner·i·um
mīt-ˈnir-ē-əm
-ˈner-
: a short-lived radioactive element produced artificially see element
Medical Definition
meitnerium
noun
meit·ner·i·um
mīt-ˈnir-ē-əm, -ˈner-
: a short-lived radioactive element that is artificially produced
—symbol Mt
see Chemical Elements Table
More from Merriam-Webster on meitnerium
Britannica.com: Encyclopedia article about meitnerium
Love words? Need even more definitions?
Merriam-Webster unabridged
Share