samarium
noun
sa·mar·i·um
sə-ˈmer-ē-əm 
: a silvery-white lustrous metallic element of the rare-earth group that is used especially in permanent magnets see Chemical Elements Table
Examples of samarium in a Sentence
Recent Examples on the Web
The new restrictions — which encompass the medium and heavy rare earth elements samarium, gadolinium, terbium, dysprosium, lutetium, scandium and yttrium — will require Chinese companies to secure special licenses to export the resources.
—
Dylan Butts, CNBC, 15 Apr. 2025
On Friday, Chinese officials announced the country will require licenses for export of samarium and six other rare-earth elements; exporters of the minerals will need to apply for export licenses through China’s Ministry of Commerce.
—John Hyatt, Forbes.com, 8 Apr. 2025
China's Ministry of Commerce said seven categories of medium and heavy rare earths, including samarium, gadolinium, terbium, dysprosium, lutetium, scandium and yttrium-related items would be on this list.
—John W. Dean, MSNBC Newsweek, 7 Apr. 2025
Advertisement Advertisement Included in the list of minerals subject to controls was samarium and its compounds, which are used in aerospace manufacturing and the defense sector.
—Time, 4 Apr. 2025
Included in the list of minerals subject to controls was samarium and its compounds, which are used in aerospace manufacturing and the defense sector.
—Arkansas Online, 4 Apr. 2025
In addition, Beijing also unveiled export controls on seven types of rare-earth minerals to the US, including samarium, gadolinium and terbium.
—Nectar Gan, CNN Money, 4 Apr. 2025
Rare-earth compounds take on a variety of colors, as shown with these oxides of (clockwise from top center): praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium.
—IEEE Spectrum, 7 Mar. 2025
The specific rare-earth elements are neodymium, praseodymium, samarium, and dysprosium.
—IEEE Spectrum, 15 Nov. 2023
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.
Dylan Butts, CNBC, 15 Apr. 2025
On Friday, Chinese officials announced the country will require licenses for export of samarium and six other rare-earth elements; exporters of the minerals will need to apply for export licenses through China’s Ministry of Commerce.
—John Hyatt, Forbes.com, 8 Apr. 2025
China's Ministry of Commerce said seven categories of medium and heavy rare earths, including samarium, gadolinium, terbium, dysprosium, lutetium, scandium and yttrium-related items would be on this list.
—John W. Dean, MSNBC Newsweek, 7 Apr. 2025
Advertisement Advertisement Included in the list of minerals subject to controls was samarium and its compounds, which are used in aerospace manufacturing and the defense sector.
—Time, 4 Apr. 2025
Included in the list of minerals subject to controls was samarium and its compounds, which are used in aerospace manufacturing and the defense sector.
—Arkansas Online, 4 Apr. 2025
In addition, Beijing also unveiled export controls on seven types of rare-earth minerals to the US, including samarium, gadolinium and terbium.
—Nectar Gan, CNN Money, 4 Apr. 2025
Rare-earth compounds take on a variety of colors, as shown with these oxides of (clockwise from top center): praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium.
—IEEE Spectrum, 7 Mar. 2025
The specific rare-earth elements are neodymium, praseodymium, samarium, and dysprosium.
—IEEE Spectrum, 15 Nov. 2023
Cite this Entry
“Samarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/samarium. Accessed 22 Apr. 2025.
Copy CitationKids Definition
samarium
noun
sa·mar·i·um
sə-ˈmer-ē-əm
-ˈmar-
: a pale gray shiny metallic element see element
Medical Definition
samarium
noun
sa·mar·i·um
sə-ˈmer-ē-əm, -ˈmar-
: a pale gray lustrous metallic element used especially in alloys that form permanent magnets
—symbol Sm
see Chemical Elements Table
Love words? Need even more definitions?
Merriam-Webster unabridged
Share